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3 in 1 RF433MHZ smoke detector wireless fire alarm independent smoke sensor work with Sonoff RF Bridge home smart security
Specifications:
- Type: Smoke Detector
- Sounder level: more than 85dB
- Power voltage: DC9V(6F22 battery not included)
- Packing box: Color neutral
- Model Number: KK
- Low voltage Alarm: 6.8V
- Frequency: 433mhz
- Chip code: 1527
- Brand Name: jiansu
- Alarm Method: Standalone/ wireless transmission
- Free shipping
- Free returns*
- Low prices
- 5 million products