3-in-1 gas detector, detection items: carbon monoxide, temperature, humidity. color screen design, human voice alarm, low-power design for long-term standby, high-precision electrochemical sensor with strong anti-interference, chip with powerful and accurate computing power, mini portable, can be placed on a table or hung on a wall for camping tents. There is a hazard level prompt with a simple and easy to read color bar. The screen brightness is automatically adjusted according to the ambient brightness.Suitable for scenarios such as kitchens, metallurgical and chemical industries, mining plants, factory workshops, outdoor camping tents, fireplaces, and winter barbecues. Automatic monitoring.Specifications:color: Whitematerial: plasticProduct name: Carbon monoxide temperature and humidity detectorDetection range: temperature, 0-99 degrees Celsius humidity, 20-80% RHCarbon monoxide: 0-1000ppmCharging : 5V type-cProduct color: whiteProduct size: 84 x 70 x 35mmProduct weight: 85gBattery capacity: 1200aAhBuilt in lithium batteryPackage Contents:1 x Mini CO DetectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.