Comprehensive 4in1 Detection This plugin device serves as a gas leak detector and carbon monoxide detector, offering fourinone functionality by accurately sensing carbon monoxide, natural gas, propane, and methane HighPrecision Sensors Equipped with advanced electrochemical and catalytic combustion sensors, it delivers rapid and accurate detection of CO levels from 02000 PPM and combustible gas levels from 010 LEL within 2 seconds Extensive Gas Detection Range Capable of detecting a wide array of gasesincluding carbon monoxide, natural gas, propane, methane, butane, LPGensuring comprehensive safety coverage RealTime Environmental Monitoring Beyond gas detection, it continuously monitors temperature and humidity, providing realtime updates to help maintain a comfortable and safe indoor environment Ideal for Various Settings Perfect for use in homes, offices, RVs, and apartments, this detector ensures safety across multiple environments, offering peace of mind wherever you are