Made of high quality material, solid, durable, high sensitivity and good performance. Gas detector specially designed to ensure the safety of you and your family. Compact and easy-to-install combustible gas detector with 85 dB alarm. 12V model with non-polarized (reversible) power connectors for easy wiring. Can detect propane, butane, LPG and natural gas, city gas, coal, common combustible gases. Suitable for pleasure boats, vehicles, RVs, RVs, yachts, etc. Material: ABS, electronic components Size: approx. 1.89 inch Color: White Quantity: 1 piece Quiet current: 90 mA Alarm current: ≤100 mA Rated power: 0.01W (DC 12V power supply) Alarm concentration: 10% LEL Alarm sound pressure: 85 dB/M Installation method: wall mounting Package includes: 1 x Gas Detector Note: This does not include other things that are based on colors in the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the