Features: Experience precise environmental monitoring with our Upgraded Carbon Dioxide Detectors, featuring a 3 in 1 design that measure CO2 levels, temperature, and Moisture for a healthier living space. Equipped with a high accuracy NDIR Sensors, this CO2 meter offers fast response times and long terms data stability, all displayed on a large, easy to read screen. Ideal for home users, office workers, teachers, and anyone concerned about indoor air quality, ensuring a safe and comfortable environment. Perfect for use in homes, offices, classrooms, and greenhouses, this device help you maintain best air quality by providing data to support your health awake lifestyle. With its wall mounted design, convenient Type C charging port, and efficient ventilation system, this CO2 Detectors is both Styles and functional, making it essential tool for modern indoor space. Specifications: Material: metal Size: about 39x90x160mm/1.53x3.54x6.29inch Battery: 1200MAH Package Includes: 1 set CO2 Meter note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.