["brand new and high quality\nFeatures:\nThe Carbon monoxide gas detector is a portable detector for detecting carbon monoxide (CO) gas. It can continuously monitor the CO gas concentration in the surrounding environment, once the gas concentration reaches the level of the alarm, the alarm will sound, light.\nHigh precision portable CO gas tester with compact size and light weight is easy to carry and operate. It is widely used in petroleum, chemical, coal, metallurgy, paper, fire, municipal, telecommunications, food, textile and other industries.\n\nFeatures:\nPortable detector for detecting carbon monoxide(CO) gas.\nCan continuously monitor the CO gas concentration in the surrounding environment.\nSound alarm works when CO gas concentration reaches the level of the alarm.\nCompact size, light weight, easy to carry and operate.\nProfessional and accurate measurement.\nLarge LCD display and ℃/℉ switch.\nCan set concentration of alarm value.\nAuto power off in 10 minutes without any operation.\n \nColor: Orange + Black\nMaterial: ABS Plastic\nSensor Type: Stablized Electrochemical Gas Specific (CO)\nDetection Gas: Carbon Monoxide (CO)\nTemperature Measurement: Ambient Temperature \nDisplay Unit: CO: ppm, Temperature: ℃/℉ \nMeasurement Range: CO: 0~1000PPM, Temperature: 0~50℃ / 32~122℉ \nResolution: CO: 1PPM, Temperature: 0.1℃ / 0.1℉\nAccuracy: CO:±5% or ±10PPM, Temperature: ±1.5℃\nResponse Time: <60s \nAlarm: Sound & Light Alarm \nAlarm Point: 24PPM Preset (Adjustable) \nBattery Type: 3 * AAA 1.5V Alkaline Batteries (NOT Included)\nOperating Temperature: 0~50℃, Relative Humidity 1%~99%\nStorage Temperature: -30~60℃, Relative Humidity: 1%~99%\nItem Size: Approx. 135 * 50 * 35mm / 5.31 * 1.97 * 1.38in (L * for W * H)\nItem Weight: Approx. 89g / 3.13oz\nPackage Size: Approx. 21.5 * 15 * 5cm / 8.46 * 5.91 * 1.97in (L * for W * H)\nPackage Weight: Approx. 127g / 4.48oz\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 * Carbon Monoxide Meter\n1 * User Manual"]