SITERWELL 3-in-1 CO2 Detector Monitor, Indoor Air Quality Monitor with Real-Time CO2 PPM Levels Display, CO2 Meter with Test Button, Temperature & Humidity Detection, During Cal Wildfire Season, White

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SITERWELL 3-in-1 CO2 Detector Monitor, Indoor Air Features

• 3-in-1 Multifunction - CO2 detector with built-in high-precision infrared CO2 sensor and digital temperature and humidity sensors for accurate air quality tracking. This CO2 detector can monitor your surrounding CO2 concentration (400-5000 PMM), temperature (-5℃-50℃/-122℉) and humidity (0%-99.9% RH) in real time.

• More User Friendly Care - Our CO2 detector will automatically reduce the brightness of the screen in a dark environment, and users are also free to set the no-disturbance mode, thus reducing the impact on users' sleep. The air quality tester has a lifetime of up to 10 years. At the end of its life, the screen will show "end of life", so there is no need to worry about detection.

• LED Digital Display - This air quality monitor has a display for easy viewing. With touch buttons for easy operation. Traffic lights and voice alarms provide quick and intuitive alerts of abnormalities.

• High Accuracy - Our GS241T composite CO2 temperature and humidity alarm uses a high accuracy sensor. CO2 detection accuracy ±(50ppm+5% reading), temperature detection accuracy 0.5 or 0.9, and humidity detection accuracy ±5% RH. The tester is built with a 24-hour automatic calibration algorithm program, eliminating the need for manual calibration.

• Stable Power Supply - The air quality monitor is powered by an external AC power adapter with a built-in backup rechargeable lithium polymer battery that supports 12 hours of operation after an AC power failure and alerts the user to recharge when the battery is low.

About SITERWELL 3-in-1 CO2 Detector Monitor, Indoor Air