Features:1 Using infrared detection technology to determine the air quality more accurately, small size, large functions, 1S/time real-time refresh, fast detection, and more stable measurement values can be obtained 2 Real-time display of the concentration of carbon dioxide per cubic meter, flashing lights to display the level of the zone 3 The product uses a high-performance analysis chip to accurately capture the electrochemical reaction, and the weak current generated in the process, the detection is more accurate 4 1200mAh large-capacity battery, TYPE-C charging interface, standby time is about 240~360 minutes 5 One-button switch is fully controlled, long press the switch button for 3 seconds to turn on or off, and then it can automatically detect the surrounding environment Description:One-button switch is fully controlled, long press the switch button for 3 seconds to turn on or off, and then it can automatically detect the surrounding environment Specifications:Display mode: LED digital display + LCD screen + backlightSensor: infrared sensorCharging interface: TYPE-C5VDetection range: 400-5000ppmWorking voltage: 5VBattery capacity: 1200HMA, with power indicatorProduct sProducts from NIUNIU's store