Household Air Quality Detector PM2.5 HCHO Tester with Electricity Quantity Temperature Humidity Display

Features:
Compact in size, lightweight and portable, easy to take out and carry around with you.
Built-in 2500mAh large capacity lithium battery, easy to charge it with USB cable.
Uses professional electrochemical sensing module, high accuracy, stable performance, antijamming ability, low consumption and can provides long service time.
This product is do not need to calibrate, power-up to test.
Multi-functional, formaldehyde and PM2.5 dual detection.
Large screen display to shows the electricity quantity, PM2.5, HCHO, temperature, and humidity.
Equipped with large display, different font color shows different air quality, green-not exceeded-nice air quality, blue-light and moderate exceeded-light and moderate pollution, red-severely exceeded-serious.
324 vents on the back, not only speed up the convection between air and machine to get effective detection but also provides fine heat radiation effect.
Note:
The electrochemical sensing module, it is easy to be interfered by other gases, such as kitchen cooking wine, vinegar, perfume, toilet water, skin care products, and acidic fruits.