Detects ambient temperature, humidity, and concentration for real-time monitoring of environmental conditions. Emits a beeping alarm when concentration exceeds 5.0ppM, ensuring user awareness of hazardous air quality. User-friendly interface with long for power on, short for unit switching, and calibration option for accurate readings. Equipped with a TYPE-C charging port for convenient and fast recharging. Includes an concentration indicator light for easy visibility of air quality status. This device is designed to provide accurate readings of temperature, humidity, and levels, making it an essential tool for maintaining a safe and healthy environment. The alarm feature alerts users to potentially harmful levels, while the intuitive controls allow for easy operation and calibration. The TYPE-C charging port ensures that the device is for use, and the indicator light provides a quick reference for air quality status. Color: As Shown Material: Aluminum ABS Package Contents: 1x poisoning alarm 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.