CH4 Leak Tester Sniffer with Sound Alarm The product is shipped based on the color or size of the main image of the product page. Features: Natural Gas & LGP DetectThis gas detector mainly used in kitchen to detect the natural gas (Methane) and LPG (Liquefied Petroleum Gas) leakage, prevent the potential gas explosion and protect family safety. 70dB Alarm SoundWhen the gas concentration is over a certain range, the buzzer will make a continue sound louder than 70dB and the red indicator will flash at the same time. Wide ApplicationsWith self test function. Widely used in home, factory, school, shop, offices, villas, residential areas where fire prevention alarm is needed. New DesignHigh stability semi-conductor sensor adopted. Exclusive smoke intelligent algorithm, high sensitivity, no false alarm, strong anti-interference. Easy-to-installWith buckle bracket and mounting screws attached, easy to install on the wall. Specifications: Working voltage: DC10-14V Working current: below 190mA Alarm speaker volume: 70DB at 1m Detected Gas: Natural gas(CH4), twon gas, LPG Alarm density: 6%LEL Alarm respond delay: below 30S Alarm mode: sound/red LED indicator/send signal to network Stability: long working density error below 5%LEL Iteration: Iterant testing density error below 5%LEL Installation: Wall-mounted Operating Temperature: 0C ~+55C Operating Humidity: 95% RH Item Size: Approx. 10.3 * 10.3 * 5.1cm (L*W*H) Item Weight: Approx. 100g / 3.5oz Package Information: Package Size: Approx. 11 * 11 * 6cm / 4.3 * 4.3 * 2.4in Package Weight: Approx. 140g / 4.9oz Package List: 1* Wired GAS Leakage Detector 1* User Manual (English) 1* Bag of Mounting Screws