System platform
3GPP.R13
NB-IoT B5/B8
Combustible gas sensor
Offline sound and indicator alarm
Remote alarm, voice call notification
Automatic timing detection
Eliminate alarms remotely
Remote valve switch
Voltage: AC 220V 50 MHz
Standby mode<1W
Alarm<3w>
Alarm gas concentration:> 4000PPM
Executive standard: CJ / T 347-2010
Response and recovery time: ≥30S
Working temperature: 0 ℃ -60 ℃
Volume intensity: 85 dB 10 ft
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