This is perfect to help you detect the HCHO/TVOC, making you know more about the surrounding quality. Powered by 2 * AA batterys(not included), easy to operate and use.

Features:
Perfect to help you detect the HCHO/TVOC, making you know more about the surrounding quality.
Built-in 360 degree ports, high accuracy and high sensitivity. 
The LCD screen with blue color backlight indicates the value clearly.
With three color indicator (green/yellow/red), different color for different level .
Lightweight and portable, easy to carry. Suitable for home, office, factory, car or use.
Powered by 2 * AA batterys(not included).
- operation, easy to use.

Specifications:
Color: White
Display: LCD Screen with Backlight
Measurement : 0~3.888mg/m³
Resolution: 0.001mg//m³
Detecting : -10℃~45℃
Storage : -20℃~50℃
Working Voltage: 2.4~3.2V
Type: Semiconductor
Powered by: 2 * AA Batterys (Not Included)
Item Size: 190 * 24.5mm / 7.48 * 0.96in
Package Size: 225 * 85 * 40mm / 8.86 * 3.35 * 1.57in
Package Weight: 200g / 7.05ounce

Package List: E10303
1 *