Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter

Mini design with hanging lanyard. This 3 in 1 Carbon monixide detector is mini design with dimensions: 3.3 x 2.0 x 0.66 inches. It is so convenient to carry it or hang it to anywhere

NDIR working method. More accurate detection of carbon monoxide. There is no delay, real-time monitoring, and data is refreshed every 2 seconds shows on the color HD 1.9’’ screen, so that you can always know the air quality of the environment.

larger detection range: CO range: 0 to 1000PPM; Humidity range: 0% to 95%RH; Temperature range: -4 to 140 ℉. The cycle alarm works when the CO is over 50ppm.

Built-in 1000 mAh rechargable battery. Come with one type-c USB, this carbon monoxide detector can continue working 50 hours when charging ful.

Portable Designed. Perfect for outdoor and indoor activities, camping tents, boats, aircraft, stove heating, vehicles, and other confined spaces. It is so good helper for you.