4-In-1 Handheld Digital Gas Detector Black 23centimeter

Uses dot matrix display to support chinese-english interface and chinese-english voice prompt, so that users can quickly understand the product and use and maintain it simply
Detect 4 kinds of gas such as carbon monoxide, hydrogen sulfide, oxygen and combustible gas
Can set automatic shutdown time and concentration of alarm value
Can connect to a sampling pump to operate in closed place
Adopts advanced integrated circuit technology, embedded computer control, high-quality imported gas sensors, with excellent sensitivity and repeatability