... Quality Competitive Price Humanized Design CE, CCC, ISO9000 Gas Alarm, Gas Detector Features:* Hot wire type sensor* Easy installation and ... all sorts of combustible gases, LPG and LNG include city gas * Ideal for all kitchens * Excellent reliability & high stability ... Propane used in normal and mini gas bottles + Gas from piping system (city gas) and natural gas (Methane) Package Information Color Box ...