About This 【High Accuracy】Carbon monoxide detector, 0 to 1000 ppm; Resolution:1ppm; Sampling Method:Diffusion 【Practical Design】Carbon monoxide meter, LCD dot matrix display, easy to read; light weight and small size, easy to carry with a clip 【Features 】Alarm with ultra-high buzzer sound and light, with high capacity enables long working time,IP65 Protection Grade and Exia ll CT3 Explosion-proof Grade 【Application Range】CO gas leak detector can be widely used in oil, metallurgy, chemical, medical, agriculture, refinery and other industries, to detecte and monitor carbon monoxide 【Service Guarantee】 CUSTOMER FIRST, If you have any issue about the product or service, please don't hesitate to email us. We will answer you within 12h Overview Brand : ATO Power Source : Battery Powered Product Dimensions : 1.38"D x 3.35"W x 5.16"H Alarm : Vibration Operating Humidity : 90 percent Upper Temperature Rating : 50 Degrees Celsius Manufacturer : ATO UPC : 784104329907