Featuring a high precisions semiconductor TVOC sensing and electrochemical detection module, this air tester delivers accurate readings with a large screen that displays batteries life, CO2 concentration, temperature, and humidity With its long lastings 1200mAh battery, quick 2-3 hour charges time, the air monitors ensures you can keep eye on your indoor environment anytimes and anywheres for peacing of mind Elevates your home air with our air monitors, a comprehensive solution for a healthier living environment For health individuals and family who want to ensures their indoor space are safe and comfortable, this air monitors is a must having for maintaining optimally air conditions at homes For use in bedrooms, living room, offices, or any confined space, the monitors help you stay informes about the air you breathes and take actions to it, Manufacturer: Tsophreniq