The Viofo HK3 car adapter provides continuous power and is compatible with the VIOFO A139 dash camera. ACC detection automatically activates parking mode, while four voltage cutoff options help prevent battery drain.
- Type: Power kit
- Connection: USB-C
- Compatibility: VIOFO A139
- Power supply: Continuous
- ACC detection: Automatic activation of parking mode
- Voltage cutoff options: 4
- Input voltage: 12–24 V