Far infrared carbon dioxide detector Air quality monitor CO2 air detector Product Description: This carbon dioxide detector can accurately and quickly test the indoor carbon dioxide level to protect your health. At the same time, it provides real-time monitoring of indoor temperature and humidity. Using infrared technology, the measurement accuracy is high, the response speed is fast, the resolution can reach 1ppm, it can accurately detect CO2 in the air, and the measurement range can reach 400-5000ppm. This indoor air carbon dioxide meter has a 4-color LED indicator as an air quality warning. Indicator lights of different colors will flash according to the CO2 content to make the air quality more intuitive. The 1200mAh rechargeable battery provides 240-360 minutes of standby time and can be charged through the Type-C charging port. The 2.8-inch LCD screen with backlight display, the display is clear and soft, and the reading is clear. Portable size, easy to carry around. easy to use. No need to calibrate after starting up, work automatically and detect automatically. It can be used in offices, automobiles, schools, hotels, greenhouse vegetables, production warehouses, raw material processing and other occasions. Carbon dioxide description: 0~799ppm: Green light flashes 800~1199ppm: yellow light flashes 1200~1599ppm: Orange light flashes 1600~1999ppm red light flashes Above 1999ppm, four-color light flashes Specification: Item color: black, white (optional) Material: ABS Display mode: LED digital display + LCD screen + backlight CO2 detection technology: infrared CO2 measurement range: 400-5000PPM CO2 detection sensitivity: 1PPM Temperature measurement range: 0-50°C Temperature measurement accuracy: ±1°C Humidity measurement range: 0%-99%RH Humidity measurement accuracy: ±2%RH Battery capacity: 1200mAh lithium battery Charging port: 5V Type-C port Product size: 9.0*7.0*3.5cm Product weight: 129g Packing size: 11.5.0*11.5*4.5cm Package weight: 191g packing list: 1 * Carbon dioxide detector 1 * USB data cable 1 * English user manual