Made of high-quality material, solid, durable, high sensitivity, and good performance. Specially designed gas detector 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. It can detect propane, butane, LPG, natural gas, city gas, coal, and common combustible gases. Suitable for recreational boats, vehicles, RVs, campers, yachts, etc. Material: ABS, electronic components Size: about 11.5 x 7.2 x 4.8 cm/4.53 x 2.83 x 1.89 inches Color: White Quantity: 1 pc Quiescent current: 90 mA Alarm current: ≤ 100 mA Rated power: 0.01 W (12 V DC 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, the color is based on the first picture, and the other pictures only show the effect Due to the difference between different monitors,