Safe-T-Alert MGD-10XL Marine Gas/Propane Fume Detector Provides protection from gas/propane spills or leaks. The remote sensor monitors the bilge/engine compartment during and after fueling. Has both sound and sight indicators, with the dual signaling sounds an alarm and activates the warning light. Can be installed in the galley or LP tank locker to protect against propane leaks. Detects gasoline, propane, alcohol, acetone, hydrogen, and most flammable gasesFeatures: Sight and Sound Alarm Indicator; Dual signaling system; Smart Sensor; On/Off/Test; Detects the build up of explosive gases; Designed for marine environments; Specifications: Power Supply: 12 VDC; Operating Temperature : -22 F to 160 F; Operational voltage: 7-15 VDC; Power Draw: 200 amps @ 14 VDC; Dimensions: 3-1/4" W x 2-3/4" L x 3/4" D; Click here to download Marine Gas/Propane Fume Detector User Manual