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By certification 
Wireless Smart Flammable Gas Alarm
Model: S-G
Radio frequency: 1GHz or less
Power supply system: 12V DC
Working temperature: -10 C to 50 C
Service life: 5 years
size: 115 * 51mm
When flammable gas detected by the sensors at front or back of detector, the internal voltage circuit automatically convert control signal into warning signal to our gateway by RF protocol, once gateway got warning signal which can translate RF signal into WIFI signal to our mobile, related devices or others terminal equipment.
