Specifications:

• Working area: 60 square meters
• Work for: Sonoff RF Bridge, 433mhz alarm host (hub)
• Wireless transmission frequency: 433MHz, independent detection alarm, wireless transmission (support
• Wireless code rule: 1527, can skip code
• Type: Smoke Detector
• Sounder level: more than 85dB
• Products dimension: 100x100 x 34mm
• Power voltage: DC9V(6F22 battery not included)
• Model Number: GJ3708
• Low voltage Alarm: 6.8V
• Installation height: above 2m
• Alarm Method: Standalone/ wireless transmission for options