Ultra-low power propane and methane sensors offer a new option for home gas alarms. They feature ultra-low power consumption, a lifespan of over 10 years, and compliance with the new national standards. The MH-Z1341B utilizes the non-dispersive infrared (NDIR) principle to detect combustible gases in the air, exhibiting excellent selectivity, no oxygen dependence, long lifespan, built-in temperature compensation, and digital output for ease of use.