Detailed Product Description Gas alarm TC011PowerAC:220/110V, or specified power2Target Gasall hydrocarbon (Natural Gas, LPG, etc)3NO/NC output optional4Audio Level75Db at 3M5Work environment-1C~50C; 20~95%R.H6SMD assembling7Reliable Film Gas Sensor8Audio and video alarm9Easy Installation10Design to meet EN50194