1. PORTABLE DESIGN: Handheld air quality detector upgraded with a large screen display for clear and visible readings, multiple alarm modes to meet different usage needs, and accurate detection
2. ACCURACY AND DURABLE: Handheld air quality meter equipped with a Precision Machined gas sensitive semiconductor sensor, ensuring accurate measurement results; Come with a rechargeable lithium battery for longer battery life
3. WIDE APPLICATION: Handheld air quality tester is suitable for detecting HCHO, total volatile organic compounds, and assessing air quality in various environments
4. FAST SAMPLING RATE: The air quality monitor has a sampling rate of 1 second, ensuring quick and efficient detection of air pollutants for you
5. CONVENIENT POWER SUPPLY: Handheld air quality monitor is powered by a built in 3.7V 400mAh lithium battery, with the option to charge anytime, anywhere using the included charging cable

Specification:
Item Type: Handheld Air Quality Detector
Material: ABS
Sampling Rate: 1 Second
Power Supply: Built in 3.7V lithium battery 400mAh

How to Use:
Turn on the machine and wait for the preheating to finish. After the beep sound, start to use.

Package List:
1 x Air Quality Tester
1 x User Manual
1 x USB Cable