Feature:
1: Adopt patent gas detector, lower consumption, longer lifespan
2: Special design to induct coal gas, nature gas and pertoleum gas 3: Intelligent control, check by themselves, prevent from wrong alarm, exterminate missing alarm, be more reliable
4: Be used singly or used with alarm system. Alarm by voice and ray
5: Easy installation
6: Alarm density: 0.1% to 0.5%(coal gas, petroleum gas) 0.1% to 0.3%(natural gas) 0.1% to 0.5%(liquefied petroleum gas)
7: Voltage: 9-15vDC or 220V 50Hz
8: Operational temperature: -10 to 50 degree 8: Humidity: Less than 97%
9: Transmit frequency: 315MHz or 433Mhz
10: Alarm decibel: More than 85dB