MB-1-R Gasoline Fume DetectorSingle channel gasoline fume detector with the same features as the M-1-R:High-tech stylingCompact sizeCircuitry TestAlarm horn mute functionsStandard two-inch display unit with gasoline sensor and twenty feet of plug-together lead, The MB-1-R adds a 10 amp relay to automatically start the bilge blower fan should gasoline fumes be detected, Installation requires only the addition of two wire leads from the control to the blower switch, To test simply touch the test pad on the control: the red alert lamp will glow the alarm horn will sound and the blower motor will start, The system works with power requirements of up to ten amps at 12 VDC, In addition to gas fumes the MB-1-R can also detect high concentrations of battery hydrogen or engine exhaustIndicator lamp automatically increases in brightness during daylight and softens at nightProduct : XINTEX MB-1 FUME DETECTOR Manufacturer : XINTEX / FIREBOY Manufacturer Part No : MB-1-R UPC : 619749211594 SKU: CW10505