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Sonoff SNZB-02P Temperature Humidity Sensor Battery ZigBee
Temperature & Humidity Sensors

Sonoff SNZB-02P Temperature Humidity Sensor Battery ZigBee

Key features:

  • Temperature accuracy ±0.2°C
  • Humidity accuracy ±2% RH
  • Compatible with Zigbee 3.0
  • CR2477 battery
  • Dimensions: 45x45x17.7mm
  • Weight: 26.7g
See full description

  • Connection Method

    Wireless

    Capability for wireless transfer of measurement data and communication with other devices.

  • Connectivity

    The wireless communication protocol supported by the sensor for connecting to a device and transferring data.
  • Battery

  • Compatible Battery

    The type of compatible battery that powers the sensor

  • Temperature Range

    The minimum and maximum temperature range of the sensor.
  • See all
9 82 €
70 bonus Coins 70 bonus Coins
Delivery by Thu, 02 Jul
2,50 € to a Skroutz Point
or   3,50 €   shipping cost
Do you want it on Wednesday?
From OnPrice 4.9 (40)
4.9 (40 reviews)
Ίλιον, Αττικής
In-store pickup available
1 piece
See Household Sensors & Alarms on the page of OnPrice
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Product report

Description

Description

With the smart hygrometer sensor of Swiss manufacture, the temperature is accurate to ±0.2°C/±0.4°F, while the humidity is ±2%RH, data measurements are updated every 5 seconds to give you the latest changes in temperature and humidity.

Sonoff SNZB-02P

The SONOFF SNZB-02P is an advanced temperature and humidity sensor, designed to provide accurate measurements and instant updates about your home environment. Equipped with a high-precision Swiss-made hygrometer, it offers ±0.2°C accuracy for temperature and ±2% for humidity, updating data every 5 seconds for near real-time monitoring.

Compatibility with Zigbee protocol

Compatibility with the Zigbee 3.0 protocol allows easy connection with many gateways, such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, as well as third-party Zigbee 3.0 gateways like Echo 4th generation and SmartThings Hub V3. This wide compatibility ensures smooth integration into your smart home system.

Sends instant notifications to your mobile

The SNZB-02P instantly sends notifications to your mobile phone when the temperature or humidity exceeds the preset comfort limits, helping you maintain a healthy and comfortable living environment. This allows for quick response to extreme conditions and the automation of smart scenes, such as activating fans or humidifiers according to the needs of the space.

Features

  • Temperature accuracy ±0.2°C / ±0.4°F
  • Humidity accuracy ±2% RH
  • Data updates every 5 seconds
  • Compatible with Zigbee 3.0 and SONOFF & third-party gateways
  • Instant notifications when temperature/humidity limits are exceeded
  • Cloud data storage for up to 6 months
  • Ability to export historical records
  • CR2477 battery with up to 4 years of life
  • Dimensions: 45x45x17.7mm, weight 26.7g
  • Operating temperature: -10°C ~ 60°C
  • Operating humidity: 5-95% RH, non-condensing

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Specifications

Type
Temperature, Humidity
Air Quality
No

Air Quality

Includes sensors that, in addition to temperature and humidity, also monitor air quality.
Connection Method
Wireless

Connection Method

Wireless
Capability for wireless transfer of measurement data and communication with other devices.
Cable Type
No

Cable Type

For wired data transfer or power supply in cases where the cable also includes a corresponding plug (e.g. USB)
Battery
Yes

Additional Features

Battery Type
CR2477

Battery Type

The type of compatible battery that powers the sensor
Temperature Range
-10°C to 60°C

Temperature Range

The minimum and maximum temperature range of the sensor.

Smart Attributes

Connectivity
ZigBee

Connectivity

The wireless communication protocol supported by the sensor for connecting to a device and transferring data.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (45)

Reviews

4.8
45
4.8
Review this product
  1. 41
  2. 3
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product

Reviews by our members

  • Freddie_GR
    5
    Freddie_GR

    Verified purchase

    I use it via Zigbee in ZHA on Home Assistant and the stability is exemplary. Pairing is easy and it maintains a solid connection.

    I have placed it on a balcony, in a protected but outdoor spot. The temperature and humidity readings are very close to reference values I have compared. I have not seen any deviations or spikes. For automations, climate monitoring, and dashboards it is ideal.

    Battery consumption seems low and the reporting interval is properly set so as not to "flood" the network with unnecessary traffic.

    Here too, the store was prompt in shipping, with careful packaging and proper updates.

    Translated from Greek ·
    Did you find this review helpful?
  • Fotis_Bekris
    5
    Fotis_Bekris

    Verified purchase

    Perfect, no problems at all, I connected it to a Sonoff USB Zigbee dongle with Home Assistant. Very economical and accurate

    Translated from Greek ·
    Did you find this review helpful?
  • An_Per
    5
    3 out of 4 members found this review helpful
    An_Per

    Verified purchase

    I have been using it for 10 days connected to a Sonoff ZB Bridge-P, where in combination with another Sonoff device, it activates an n/c relay that in turn activates or not a central heating system. So far, the SNZB-02P appears to be quite accurate in its measurements. Related images from the eWeLink app.

    Translated from Greek ·
    Did you find this review helpful?
  • dhmk
    5
    6 out of 6 members found this review helpful
    dhmk

    Verified purchase

    I got it to have a measurement of the external humidity and temperature for use with openHAB. It shows very good. Other Sonoff models have been working for a year without battery change. This specific model is said to last much longer (4+ years), so it will last without battery change for many, many years. Also, it gives more accurate measurements than the other models. I believe that is the case. This specific one is very close to the Sonoff zigbee USB hub that I have installed on my PC, but other models, theoretically inferior, work just fine even 15m away and with multiple wall interference. I imagine the same will apply to this one. Overall, I have developed a strong preference for the zigbee communication protocol for low-power sensors compared to WiFi.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    mtmids

    Verified purchase

    Very good. I have two, one inside the house and the other outside. Very reliable.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    kostas_tech65

    Verified purchase

    Very reliable

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    costas.diomataris

    Verified purchase

    Excellent cooperation with Homeassistant with Zigbee, which I intended it for.

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    1 out of 5 members found this review helpful
    Το Πτάρι

    Verified purchase

    It looks good but I couldn't try it because it necessarily requires a bridge

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    dilebe

    Verified purchase

  • 5
    Panagiotis_Karagiannis2638

    Verified purchase

  • 5
    Antonis_Ntavanangelis88

    Verified purchase

  • 5
    kostas_82m

    Verified purchase

  • 5
    lefdata
    Expert user

    Verified purchase

  • 5
    jpantoudis

    Verified purchase

  • 5
    Habana_Cien

    Verified purchase

  • 5
    Paraskevopoulos Vladyslav

    Verified purchase

  • 5
    z3vii

    Verified purchase

  • 5
    ceomaster

    Verified purchase

  • 5
    ZAGORIA

    Verified purchase

  • 5
    George_P_5412

    Verified purchase

  • 5
    NIKOLAOS_PEKOS

    Verified purchase

  • 5
    Livas30

    Verified purchase

  • 5
    imtafg

    Verified purchase

  • 5
    politidism

    Verified purchase

  • 5
    Sakis_Sitrof

    Verified purchase

  • 5
    Athanasios_B_

    Verified purchase

  • 5
    Dimosthenis1234

    Verified purchase

  • 5
    lekol
    Store representative

    Verified purchase

  • 5
    GreenEvo

    Verified purchase

  • 5
    gfrouits

    Verified purchase

  • Freddie_GR
    5
    Freddie_GR

    I use it via Zigbee in ZHA on Home Assistant and the stability is exemplary. Pairing is easy and it maintains a solid connection.

    I have placed it on a balcony, in a protected but outdoor spot. The temperature and humidity readings are very close to reference values I have compared. I have not seen any deviations or spikes. For automations, climate monitoring, and dashboards it is ideal.

    Battery consumption seems low and the reporting interval is properly set so as not to "flood" the network with unnecessary traffic.

    Here too, the store was prompt in shipping, with careful packaging and proper updates.

    Translated from Greek ·
    0
  • Fotis_Bekris
    5
    Fotis_Bekris

    Perfect, no problems at all, I connected it to a Sonoff USB Zigbee dongle with Home Assistant. Very economical and accurate

    Translated from Greek ·
    0
  • An_Per
    5
    An_Per

    I have been using it for 10 days connected to a Sonoff ZB Bridge-P, where in combination with another Sonoff device, it activates an n/c relay that in turn activates or not a central heating system. So far, the SNZB-02P appears to be quite accurate in its measurements. Related images from the eWeLink app.

    Translated from Greek ·
    3
  • dhmk
    5
    dhmk

    I got it to have a measurement of the external humidity and temperature for use with openHAB. It shows very good. Other Sonoff models have been working for a year without battery change. This specific model is said to last much longer (4+ years), so it will last without battery change for many, many years. Also, it gives more accurate measurements than the other models. I believe that is the case. This specific one is very close to the Sonoff zigbee USB hub that I have installed on my PC, but other models, theoretically inferior, work just fine even 15m away and with multiple wall interference. I imagine the same will apply to this one. Overall, I have developed a strong preference for the zigbee communication protocol for low-power sensors compared to WiFi.

    Translated from Greek ·
    6
  • 5
    mtmids

    Very good. I have two, one inside the house and the other outside. Very reliable.

    Translated from Greek ·
    0
  • See all
Questions (2)

Questions

587 users have this product and can help you

Ask for the product
z3vii

Καλησπέρα, χρησιμοποιώ εδώ και δύο μέρες το θερμόμετρο και δεν μου δείχνει ιστορικό μετρήσεων θερμοκρασίας και υγρασίας.
Οι live μετρήσεις λειτουργούν κανονικά

z3vii 2025-02-07
0 Replies Reply to
See all questions (2)

Description & Specifications

With the smart hygrometer sensor of Swiss manufacture, the temperature is accurate to ±0.2°C/±0.4°F, while the humidity is ±2%RH, data measurements are updated every 5 seconds to give you the latest changes in temperature and humidity.

Sonoff SNZB-02P

The SONOFF SNZB-02P is an advanced temperature and humidity sensor, designed to provide accurate measurements and instant updates about your home environment. Equipped with a high-precision Swiss-made hygrometer, it offers ±0.2°C accuracy for temperature and ±2% for humidity, updating data every 5 seconds for near real-time monitoring.

Compatibility with Zigbee protocol

Compatibility with the Zigbee 3.0 protocol allows easy connection with many gateways, such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, as well as third-party Zigbee 3.0 gateways like Echo 4th generation and SmartThings Hub V3. This wide compatibility ensures smooth integration into your smart home system.

Sends instant notifications to your mobile

The SNZB-02P instantly sends notifications to your mobile phone when the temperature or humidity exceeds the preset comfort limits, helping you maintain a healthy and comfortable living environment. This allows for quick response to extreme conditions and the automation of smart scenes, such as activating fans or humidifiers according to the needs of the space.

Features

  • Temperature accuracy ±0.2°C / ±0.4°F
  • Humidity accuracy ±2% RH
  • Data updates every 5 seconds
  • Compatible with Zigbee 3.0 and SONOFF & third-party gateways
  • Instant notifications when temperature/humidity limits are exceeded
  • Cloud data storage for up to 6 months
  • Ability to export historical records
  • CR2477 battery with up to 4 years of life
  • Dimensions: 45x45x17.7mm, weight 26.7g
  • Operating temperature: -10°C ~ 60°C
  • Operating humidity: 5-95% RH, non-condensing

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Type
Temperature, Humidity
Air Quality
No

Air Quality

Includes sensors that, in addition to temperature and humidity, also monitor air quality.
Connection Method
Wireless

Connection Method

Wireless
Capability for wireless transfer of measurement data and communication with other devices.
Cable Type
No

Cable Type

For wired data transfer or power supply in cases where the cable also includes a corresponding plug (e.g. USB)
Battery
Yes

Additional Features

Battery Type
CR2477

Battery Type

The type of compatible battery that powers the sensor
Temperature Range
-10°C to 60°C

Temperature Range

The minimum and maximum temperature range of the sensor.

Smart Attributes

Connectivity
ZigBee

Connectivity

The wireless communication protocol supported by the sensor for connecting to a device and transferring data.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (45)

4.8
45
4.8
Review this product
  1. 41
  2. 3
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product

Reviews by our members

  • Freddie_GR
    5
    Freddie_GR

    Verified purchase

    I use it via Zigbee in ZHA on Home Assistant and the stability is exemplary. Pairing is easy and it maintains a solid connection.

    I have placed it on a balcony, in a protected but outdoor spot. The temperature and humidity readings are very close to reference values I have compared. I have not seen any deviations or spikes. For automations, climate monitoring, and dashboards it is ideal.

    Battery consumption seems low and the reporting interval is properly set so as not to "flood" the network with unnecessary traffic.

    Here too, the store was prompt in shipping, with careful packaging and proper updates.

    Translated from Greek ·
    Did you find this review helpful?
  • Fotis_Bekris
    5
    Fotis_Bekris

    Verified purchase

    Perfect, no problems at all, I connected it to a Sonoff USB Zigbee dongle with Home Assistant. Very economical and accurate

    Translated from Greek ·
    Did you find this review helpful?
  • An_Per
    5
    3 out of 4 members found this review helpful
    An_Per

    Verified purchase

    I have been using it for 10 days connected to a Sonoff ZB Bridge-P, where in combination with another Sonoff device, it activates an n/c relay that in turn activates or not a central heating system. So far, the SNZB-02P appears to be quite accurate in its measurements. Related images from the eWeLink app.

    Translated from Greek ·
    Did you find this review helpful?
  • dhmk
    5
    6 out of 6 members found this review helpful
    dhmk

    Verified purchase

    I got it to have a measurement of the external humidity and temperature for use with openHAB. It shows very good. Other Sonoff models have been working for a year without battery change. This specific model is said to last much longer (4+ years), so it will last without battery change for many, many years. Also, it gives more accurate measurements than the other models. I believe that is the case. This specific one is very close to the Sonoff zigbee USB hub that I have installed on my PC, but other models, theoretically inferior, work just fine even 15m away and with multiple wall interference. I imagine the same will apply to this one. Overall, I have developed a strong preference for the zigbee communication protocol for low-power sensors compared to WiFi.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    mtmids

    Verified purchase

    Very good. I have two, one inside the house and the other outside. Very reliable.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    kostas_tech65

    Verified purchase

    Very reliable

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    costas.diomataris

    Verified purchase

    Excellent cooperation with Homeassistant with Zigbee, which I intended it for.

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    1 out of 5 members found this review helpful
    Το Πτάρι

    Verified purchase

    It looks good but I couldn't try it because it necessarily requires a bridge

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    dilebe

    Verified purchase

  • 5
    Panagiotis_Karagiannis2638

    Verified purchase

  • 5
    Antonis_Ntavanangelis88

    Verified purchase

  • 5
    kostas_82m

    Verified purchase

  • 5
    lefdata
    Expert user

    Verified purchase

  • 5
    jpantoudis

    Verified purchase

  • 5
    Habana_Cien

    Verified purchase

  • 5
    Paraskevopoulos Vladyslav

    Verified purchase

  • 5
    z3vii

    Verified purchase

  • 5
    ceomaster

    Verified purchase

  • 5
    ZAGORIA

    Verified purchase

  • 5
    George_P_5412

    Verified purchase

  • 5
    NIKOLAOS_PEKOS

    Verified purchase

  • 5
    Livas30

    Verified purchase

  • 5
    imtafg

    Verified purchase

  • 5
    politidism

    Verified purchase

  • 5
    Sakis_Sitrof

    Verified purchase

  • 5
    Athanasios_B_

    Verified purchase

  • 5
    Dimosthenis1234

    Verified purchase

  • 5
    lekol
    Store representative

    Verified purchase

  • 5
    GreenEvo

    Verified purchase

  • 5
    gfrouits

    Verified purchase

  • Freddie_GR
    5
    Freddie_GR

    I use it via Zigbee in ZHA on Home Assistant and the stability is exemplary. Pairing is easy and it maintains a solid connection.

    I have placed it on a balcony, in a protected but outdoor spot. The temperature and humidity readings are very close to reference values I have compared. I have not seen any deviations or spikes. For automations, climate monitoring, and dashboards it is ideal.

    Battery consumption seems low and the reporting interval is properly set so as not to "flood" the network with unnecessary traffic.

    Here too, the store was prompt in shipping, with careful packaging and proper updates.

    Translated from Greek ·
    0
  • Fotis_Bekris
    5
    Fotis_Bekris

    Perfect, no problems at all, I connected it to a Sonoff USB Zigbee dongle with Home Assistant. Very economical and accurate

    Translated from Greek ·
    0
  • An_Per
    5
    An_Per

    I have been using it for 10 days connected to a Sonoff ZB Bridge-P, where in combination with another Sonoff device, it activates an n/c relay that in turn activates or not a central heating system. So far, the SNZB-02P appears to be quite accurate in its measurements. Related images from the eWeLink app.

    Translated from Greek ·
    3
  • dhmk
    5
    dhmk

    I got it to have a measurement of the external humidity and temperature for use with openHAB. It shows very good. Other Sonoff models have been working for a year without battery change. This specific model is said to last much longer (4+ years), so it will last without battery change for many, many years. Also, it gives more accurate measurements than the other models. I believe that is the case. This specific one is very close to the Sonoff zigbee USB hub that I have installed on my PC, but other models, theoretically inferior, work just fine even 15m away and with multiple wall interference. I imagine the same will apply to this one. Overall, I have developed a strong preference for the zigbee communication protocol for low-power sensors compared to WiFi.

    Translated from Greek ·
    6
  • 5
    mtmids

    Very good. I have two, one inside the house and the other outside. Very reliable.

    Translated from Greek ·
    0
  • See all
9,82 €
2,50 € to a Skroutz Point
or   3,50 €   shipping cost
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Kέρδισε 50€ κουπόνι
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