Features: 1. Unique design of alarm sensor body, high reliability sensor. Easy to install and operate. 2. Made 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 switch terminal pair for integration into external alarm system. 5. It is applicable to vehicles,marine, such as motor home,boat,yacht and so on. Specifications: Operating voltage: DC12V Static current: 50mA (low power consumption) 100mA (high power consumption) Alarm current: 100mA (low power consumption) 130mA (high power consumption) Warm-up time: 1-2 minutes Alarm concentration: 10 percent LEL (the error of the alarm concentration is not greater than 5 percent LEL) Alarm indication: indicator light shows red flashing Help indicator: indicator light is on, buzzer is on. Buzzer long-sounding Alarm sound pressure: 85DB or M Operating temperature: -10 - and50 Ambient humidity: maximum 95 percent RH (no condensation) Installation: wall-mounted Alarm mode: networking output or sound and light alarm Dimensions: 115 x 72 x 48mm Package included: 1 x Gas Detector Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store