1.Temperature and Humidity Accuracy: This carbon monoxide detector can alert you to the presence of the deadly with high precision measurement, while also providing practical temperature and humidity detection. It has a quick charging feature that ensures it is often ready to protect you and your family. 2.Easy to Use: By using advanced detection technology, this Carbon Monoxide Detector precisely detects CO levels in your vicinity. Equipped with high high-definition LED digital display, it enables real-time CO level monitoring. Long press the A key suitable for 2 seconds to conveniently start detection and receive quick alerts in case of dangerous CO levels. 3.Advanced Detection: Equipped with highly sensitive sensors, our Carbon Monoxide Detector effectively emits a loud alarm to quickly alert you of hazardous air quality, prioritizing the safety of your family with accurate monitoring. 4.Portable Design: This easy-to-use carbon monoxide detector requires no professional skills to set up and operate. It's small, compact, and , making it easy to carry around. Equipped with temperature and humidity sensors, it fully reflects the air environment and ensures safety. 5.Multiple Uses: Our carbon monoxide detector ensures early detection of CO in restaurants, gyms, libraries, warehouses, shops, hotels, and schools, providing maximum security and your family. Material: ABS colour: black Package Contents: 1 x Carbon Monoxide 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.