Portable Mini Carbon Monoxide Detector CO Gas Meter with Sound and Light Alarm

Features: Portable detector for detecting carbon monoxide(CO) gas. Can continuously monitor the CO gas concentration in the surrounding environment. Sound and light alarm works when CO gas concentration reaches the level of the alarm. Powered by 3 batteries(not included). Compact size, light weight, easy to carry and operate.Specifications: Sensor: Electrochemical Principle Detection Gas: Carbon Monoxide CO Measuring Unit: PPM Range: 0-1000ppm Resolution: 1ppm Alarm: Sound and Light Alarm Alarm Point: Low: 35ppm; Middle: 70ppm; high: 200ppm Operating Temperature: 0-50°C Operating Humidity: 15%-90%RH(no condensation) Power Supply: 3 * 1.5V AAA Batteries(not included) Item Size: 11.5 * 6 * 2.5cm / 4.53 * 2.36 * 0.98in Item Weight: 87g / 3.09oz Package Size: Approx.18.5 * 8 * 5cm / 7.28 * 3.15 * 1.97in Package Weight: 164g / 5.78ozPackage List: 1 * Carbon Monoxide Detector 1 * User Manual