Features: High quality: This gas alarm is made of high-quality ABS and electronic components. Long service life, reliable performance, sturdy and durable construction, and high sensitivity. High-decibel alarm sound: This gas alarm produces an 85dB alarm sound, helping to alert users to potential gas leaks, reduce the risk of gas-related hazards, and enhance household safety. Easy to install: This gas alarm is designed for simple installation with a 12V model featuring non-polarized (reversible) power terminals for convenient wiring. Wide range of uses: This gas alarm can detect propane, butane, liquefied petroleum gas, natural gas, coal gas, and other common combustible gases. Multiple applications: Suitable for use in homes, restaurants, hotels, hospitals, oil facilities, vehicles, and camping vehicles. Provides added safety and reliability in various environments. Material: ABS + electronic components Size: 72mm x 115mm x 48mm Working voltage: DC 9-16V Quiescent current: 90mA Alarm current: 100mA Rated power: 0.01W (DC12V power supply) Alarm concentration: 10% LEL Alarm sound pressure: 85dB/M Installation method: Wall-mounted Alarm mode: Sound and light alarm