1, economic gas leakage alarm 2, to detect the gas and LPG 3, gas detector 4, CE for detector gas leakage alarm1, economic gas leakage alarm2, to detect the gas and LPG 3, gas detector4, CE for LPG detectorProduct name: Wireless/wired gas leakage alarm Model: VIP-910Specifications: Operating Voltage: DC12V Input voltage: 110V-240VAlarm density: Coal gas: 2000ppm+/- 30%, Liquid petroleum gas: ...