Features:
The measured value exceeds the standard, the buzzer sounds prompt; the low pressure alarm prompts.
Good touch, non-toxic, environmentally friendly and durable.
Strong anti-interference and more accurate detection.
Large electronic screen, clear display, easy to read.
Sturdy and resistant to falling, easy to operate and easy to carry.
Suitable for new furniture and decoration, living room, new car, etc.
Two power modes support USB charging and dry battery power.

Specifications:
Name: 3-in-1 Air Quality Detector
Power mode: USB powered
Battery power: 1000mAh lithium battery
Power connector: Mini USB 5V
Power: AAA battery (package not included)
Testing items: HCHO, TVOC, AQI
Measurement accuracy: 0.001
Flow range: 50-150m2 (L / min)
HCHO range: 0.000~1.999 mg / m3
TVOC range: 0.000~9.999 mg /m3
AQI range: 1-6
Size: about 140*40*36 mm/5.51*1.57*1.42in

Package List:
1*Air Quality Detector
1*Charging Cable.
1*Instruction Manual