LPG Gas Alarm (L&L-168) Funcation: 1: Ceiling mounted or wall-mounted 2: Light labyrinth sensor 3: Low power consumption CMOS processing 4: Special anti-humidity 5: Manual test, handy-reset, auto-set 6: High working stability 7: Unilateral PCB technology 8: Thin structure design 9: Special design, anti-light, dustproof, mothproof 10: Strong adaptability to circumstance 11: SMT adopted 12: Dustproof, mothproof and anti-white light Wired & Wiress Gas Alarm Technology parameter: 1: Operating voltage: 12VDC 2: Standby current: Less than 10uA or 6F22 3: Alarm current: 10-30mA 4: Sensitivity: Adapt to U1217 standed (3.2% weak smoke per feet the detector espond) 5: Operating temp.: -10 to +50 degrees 6: Alarm volume: 85dB/(10 feet) 7: Alarm output: Sound & flash alarm, auto reset after alarm(wired); Alarm transmitting 8: Products type: Independency / Network / Wireless (optional as u like ) 9: Alarm output: Sound&flash / Replay output /Radio transmitting 10: RF: 315M&433M 11: Lifespan of battery: Minimum 1 year