1. Temperature and Humidity Accuracy: This carbon monoxide detector can alert users to the presence of deadly carbon monoxide through high-precision measurement. It also provides practical temperature and humidity detection. It has a quick-charging feature, ensuring it is often ready to protect users and their families. 2. Easy to Use: By using advanced detection technology, this carbon monoxide detector precisely detects CO levels in the vicinity. Equipped with a high-definition LED digital display, it enables real-time CO level monitoring. Long-press the A key 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, this carbon monoxide detector effectively emits a loud alarm to quickly alert users of hazardous air quality, prioritizing the safety of users' families with accurate monitoring. 4. Portable Design: This easy-to-use carbon monoxide detector requires no professional skills for setup and operation. It is small and compact, making it easy to carry around. Equipped with temperature and humidity sensors, it fully reflects the air environment and ensures safety. 5. Multiple Uses: This carbon monoxide detector helps with the early detection of CO in restaurants, gyms, libraries, warehouses, shops, hotels, and schools, providing security for users and their families. Material: ABS Color: black Package Contents: 1 x Carbon Monoxide Detector Only the above package content is included, and other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1 - 3 cm.