The carbon monoxide gas detector is a portable detector for detecting carbon monoxide (CO) gas. It can continuously monitor the CO gas concentration in the environment, once the gas concentration reaches the alarm level, the alarm will sound, light. High accuracy portable CO gas tester with compact size and light weight is easy to carry and use. It is widely used in petroleum, chemical, coal, metallurgy, paper, fire, municipal, telecommunications, food, textile and other industries. Features: Handheld detector for detecting carbon monoxide (CO) gas. Can continuously monitor the CO gas concentration in the environment. Audible alarm works when the CO gas concentration reaches the alarm level. Compact size, light weight, easy to carry and use. Professional and accurate measurement. Large LCD display and ℃ / ℉ switch. Can set the concentration of the alarm value. Automatic shutdown in 10 minutes without any operation. Features: Brand: SMART SENSOR Color: Black + Orange Material: ABS