ApexGear Portable CO2 Air Quality Detector, Checks Temp Humidity TVOC, Compact Rechargeable Indoor Tester

・4-in-1 Multifunctional Indoor Air Monitoring: This portable air quality detector simultaneously measures 4 key air indicators including CO2, ambient temperature, humidity and TVOC. It features large digital screen to display all real-time readings clearly, helping you keep track of invisible indoor air pollutants all day long easily.

・3-Grade Color Coded CO2 Level Indication: It divides CO2 concentration into fresh, uncomfortable and drowsy three levels with different colors and facial icons. You can quickly judge indoor air comfort level at a glance, so you can open windows for ventilation timely to keep fresh breathing environment at home.

・Smart Audible Alarm For Air Pollution Reminder: Built-in smart alarm function will automatically sound a reminder when CO2 or TVOC exceeds healthy standard values. You do not need to stare at the screen all the time, the detector will actively remind you of poor air quality for timely environmental adjustment.

・Wide Detection Range & Dual Temperature Units: Wide measurable ranges cover CO2, temperature, humidity and TVOC to fit most indoor scenes. It supports both Celsius and Fahrenheit temperature display to meet different usage habits. Equipped with 2500mAh rechargeable battery for long standby time without frequent charging.

・Compact Desktop Portable Household Design: Integrated slanted stand structure enables stable placement on desks, nightstands and cabinets. Slim lightweight body is easy to move anywhere. Ideal for bedrooms, living rooms, study rooms and offices to protect your family’s breathing health daily.