& OOTDTY Features: Made of material, sturdy, , high sensitivity and good performance. A specially designed gas detector to ensure your and your family's safety. Compact and easy to install, flammable gas detector with 85db alarm. 12V model with non-polarized (reversible) power terminals for easy wiring. It can detect propane, butane, LPG, natural, city, coal, common flammable gases. Suitable for leisure boats, vehicles, RVs, RVs, yachts and so on. Gas detector sensor only, other accessories demo in the picture are not included! Specification:Material: ABS, Electronic ComponentsSize: app.11.5 x 7.2x4.8cm/4.53x2.83 x 1.89inColor: WhiteQuantity: 1 PcProduct Parameters:Working Voltage: DC9-16VPidle Spring: le; 90mAlarm Source: le; 100mAMore Duty: le; 0.01W (DC12V power supply)Alarm Concentration: 10% LELAsound Pressure Larm: ge; 85DB/MMinstallation method: wall mountingAlarm mode: alarm sound and lightNote: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1 x Gas Detector