5-in-1 Air Quality Detector Temperature Humidity Meter CO2 HCHO TVOC Air Quality Monitor Tester Tool Large Screen Display

Features:
1.4-inch large screen design: Clear display of detection data, clear results at a glance, convenient for checking air quality at any time.
2.Grid semi transparent device: Good air circulation effect, better detection effect, more accurate measurement, and quieter work.
3.Manual screen turn off function: Press the power button 4 times to turn off the screen, and the product will be tested normally, creating a comfortable and interference free environment for night life.
4.Two power supply designs: Can be without battery, type-c direct charging provides a sense of security for users in the car, or can be powered by a built-in battery for ultra long standby.
5.Five tests: Built in high-precision sensors, quickly and efficiently identify co2, hcho, tvoc, temperature and humidity detection in the air, with comprehensive functions.

Parameters:
Product name: air quality detector
Material: abs
Power supply: 3.7v/3-cell no. 7 battery (not included in shipment)
Charging interface: Type-c
Detecting gases: co2, hcho, tvoc
Formaldehyde resolution: 0.001mg/m³
Temperature resolution: 1℃
Temperature measurement range: 0-50℃
Humidity resolution: 1% rh
Humidity measurement range: 0-95%
Co2 gas measurement range: 400-5000ppm
Calibration method: automatic calibration
Response time: approximately 30 seconds
Alarm mode: sound/screen display
Product size: 80 * 38 * 75mm
Attention: elevation angle design, good visual effect, safer and more suitable for cars without batteries

User guide
1.Press and hold the power button to turn on/off, and start testing after 60 seconds of preheating
2.Short press the power button twice to turn off/on the sound
3.Short press the power button 3 times to manually calibrate (operate in a well ventilated environment)
4.Short press the power button 4 times to turn off the screen (the device is working normally)
5.Can be powered by 3 no. 7 batteries or usb

Package include:
Detector * 1
Instruction manual * 1
Usb-c charging cable * 1