High Quality Widely Used with CE Test 12V or 220V Gas Detector

                    High Quality Widely Used with CE Test 12V or 220V Gas Detector     Technical Parameters: Reaction gas: coal gas, natural gas, liquid petroleum gas Alarm density: coal gas: 0.1%-0.5%, natural gas: 0.1%-0.3%, LPG: 0.1%-0.5% Power supply:12VDC ( 220V optional) Alarm volume:  ≥7 0dB/m Working environment: -10°C~+55°C  Working  humidity: ≤97%RH Horn Level : 85 Decibels at 10 feet Response Time: <20s    Product Display:   If you want to know more about us, welcome to visit our website: www.smart-home-security.cn