3-in-1 gas detector, detection items: carbon monoxide, temperature, humidity. Large 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 . 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. : color: White material: plastic Product name: Carbon monoxide temperature and humidity detector Detection range: temperature, 0-99 degrees Celsius humidity, 20-80% RH Carbon monoxide: 0-1000ppm Charging : 5V type-c Product color: white Product size: 84 x 70 x 35mm Product weight: 85g Battery capacity: 1200aAh Built in lithium battery Package Contents: 1 x Mini CO Detector Only 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.