4-in-1 Carbon Monoxide Detectors & Natural Gas Leak Detector Plug in, Combination CO Detector & Combustible Gas, LPG, Methane, Propane Alarm with Fahrenheit(¡ÆF) & Humidity(1 Pack) NDI each puck light needs 3

each puck light needs 3 AA batteries(not included)

store the tools you need in this medical care bag for emergency use at any time

no need to worry about oil leakage

The magnets are strong enough to keep the holder in place while pulling gloves out and it won't be moving around

4-in-1 Carbon Monoxide Detectors & Natural Gas Leak Detector Plug in, Combination CO Detector & Combustible Gas, LPG, Methane, Propane Alarm with Fahrenheit(¡ÆF) & Humidity(1 Pack) NDI each puck light needs 3About this item Upgraded 4 in 1 Plug In Detector: The Kalawen 4 in 1 monitoring system combines combustible gas detection, carbon monoxide sensing, temperature monitoring, and humidity measurement in one compact device. This all in one solution delivers real time, rapid, and accurate environmental safety assessments. Detected gases include: CO, natural gas, propane, methane, town gas, alcohol, gasoline, hexane, butane, benzene, ethylene oxide,