ApexGear CO2 Monitor, Tracks Carbon Dioxide Temp Humidity Air Quality, Rechargeable Indoor Home Detector

・3-in-1 Multifunctional Indoor Air Monitoring: This carbon dioxide monitor acts as an integrated air quality detector, continuously measuring CO2 concentration, ambient temperature and indoor humidity in real time. It supports switching between Celsius and Fahrenheit temperature units freely, helping you track indoor dry, wet and air conditions all day long effortlessly.

・2.8 Inch HD Color Screen With Electroplated Protective Lens: Equipped with a 2.8-inch high-definition color display and wear-resistant electroplated lens, this CO2 detector presents all air data neatly. The circular colored ring changes hues according to CO2 levels to visually show air quality grades, enabling you to read data clearly under various light conditions.

・1200mAh Rechargeable Battery For Long Standby Time: Built-in 1200mAh high-capacity lithium rechargeable battery, the indoor air quality monitor can stay on standby for up to 20 hours after fully charged. Stable power supply supports all-day continuous indoor air monitoring without frequent recharging.

・Humanized Night Screen-off Design For Undisturbed Sleep: Designed for nighttime use, this air detector allows you to turn off the screen backlight by pressing the power button four times. No bright light will disturb your rest during sleep, which is perfectly suitable to be placed in bedrooms for round-the-clock quiet air monitoring.

・Auto Calibration & Self-check Function For Precise Detection: Adopting high-precision sensing unit, this CO2 monitor supports automatic calibration and manual self-check function. It finishes preheating countdown on startup for steady readings, and it is pre-calibrated at factory so no frequent adjustment is needed in daily use.