Gas Alarm Sensor Gas Leaking Detect LED Flash Alarm Gas Detector Sensor Alarm Sound Butane LPG 12V|Doorbells(white) Description: a gas alarm sensor, remind you to mon natural gas safety. A safety tool used in motor home, marine, vehicles. It can detect the leaka of propane, butane, LPG, natural, town, coal, common flammable gasses. It is very simple to use and convenient to install. : 1. design of alarm sensor body, high reliability sensor. Easy to install and operate. 2. of premium materials, safe and stable. Durable for long time use.3. Two state of indicator light, red light indicates alarm, yellow light indicates failure. 4. Built in and output s terminal pair for integration into external alarm system. 5. It is applicable to vehicles,marine, such as motor home,boat,yacht and so on. s: Condition:100% New : Material:Metal+ Operating Volta : 12V dby Current : 90mA Alarm Current : 100mA Warm-up (stabilisation) : Indicator : LED Alarm Gas : 10 5 (% LEL), 0.5 0.25 (VOL %) Alarm Indicator: red LED, flashing Alarm Sound : 85dB/m Indicator: yellow LED on, continuous tone Operating Temperature: -10C ~ +50C Environment Humidity : 95 % RH Installation : wall-mounted Size: 11.5*7*5cm/4.53*2.76*1.97in Weight: 151g Packa Included: 1 * Alarm Sensor 1 * Screw Cap 1 * Screw Note: Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.