Portable CO2 Air Quality Detector, Temperature and Humidity Meter

With the TVOC sensor, it can detect TVOC in the environment and provide a better understanding of the surroundings. After receiving the tester, data may not be displayed immediately. Please place it in a well-ventilated area for approximately 15 minutes and wait for the readings to stabilize. It provides real-time monitoring and display of carbon dioxide concentration per cubic meter. If the tester's data is abnormal, the battery may be low. Please charge the tester or use it while charging. It can be used continuously for five hours after a full charge. If you wish to use it continuously, the tester must be permanently connected to a power supply. This detector is small and portable, and it can clearly display the concentration of HCHO and CO2, as well as the ambient temperature and humidity, making it suitable for the office, home, gym, and other use cases. It can detect and display the ambient temperature and humidity to help users understand the environment. With its alarm mode, the color-changing indicator alerts users to environmental conditions. Caution: Please charge the product upon receipt and use it only when fully charged. When the battery is off and charging, the battery indicator flashes in the upper right corner of the screen, indicating that the product is charging. When first using the product, please place it in a window for approximately five minutes to allow the sensor to adjust to the surrounding environment, ensuring more accurate detection results. If the detection readings remain high, please turn the product off and then back on. It uses a semiconductor gas sensor and air convection detection to quickly and accurately detect harmful gases in your home. It displays the concentration of formaldehyde (HCHO), CO2, and TVOC, as well as temperature and humidity. The built-in 1500mAh high-capacity rechargeable battery makes it portable and lightweight, suitable for both home and outdoor use. The large LED screen is easy to read even in dark environments. The battery display clearly shows the remaining power. Professional air quality gauge. Excellent gift for family or friends – a great surprise! Detects formaldehyde and TVOC concentrations in the air, widely used in homes, cars, hotels, apartments, offices, outdoors, and more.