* Working Voltage: 220VAC or 110VAC or 230VAC, 12VDC-24VDC
*Detect Gas: natural gas, LPG, town gas
*Alarm density: Coal gas: 2000ppm+/- 30%, Liquid petroleum gas: 5000ppm+/-30%, natural gas: 2000ppm+/-30%
*Adopts MPU control
*Automatic reset
*High stable sensor
*Automatic error detecting function
*Adopts SMT mounted
*Interconnection: By wired: NO or NC
By wireless: 315MHz/433MHz (2262 or 1527)