- It is a wedge that activates automatically as soon as the door is opened. Its strong intensity of 120dB will deter any intruder.
- On-off switch activates and deactivates the alarm.
- Also functions as a door wedge when deactivated.
- Strong deterrent, resists even high burglary force.
- Low battery indicator.
- 1 x 9V Alkaline battery required (not included).
