Product Model: MQ214   Product Type: Semiconductor gas sensor   Standard package: Metal   High sensitivity   Fast response and recovery   Long life, low power consumption costs   Simple drive circuit can be   Detection gas: Methane, natural gas, liquefied petroleum gas, hydrogen.   Detectable concentration: 500-10000ppm,LPG and propane; 1000-20000ppm methane; 500-10000ppm hydrogen.   Applications: Family with combustible gas leak alarm; Industrial combustible gas leak alarm; Suitable for methane, natural   gas, liquefied petroleum gas, hydrogen detection.   Package included: 1pcs MQ214 Semiconductor combustible gas sensor