... Detect propane, butane, methane,LPG: Widely used in Car, Garage 2: Master conncected Max. 3 sensors Comfort ... series of Car gas alarm is described intelligent alarm which consists of detector and controller, when detector detects gas ... Using place Cap Structural Dimension 99mmX66mm Technical Data in Detector Service Voltage: DC12V Range of Working Voltage: DC9V ... than ±3%LEL Power: <1.5W Car gas detector