Features 1、Made from fine quality material, has high durability and outstanding texture. 2、Built in high accuracy sensor, has high sensitivity, stability and response speed. 3、With large display screen, clearly read the data . Value update frequency 1 time/S. 4、One button switch, press and hold button for 3 seconds to turn on or off, and the surrounding environment would be automatically detected after turning on. 5、The CO2 concentration per cubic meter is monitored in real time, and the flashing light shows the level of the zone. 6、Multi functional design, supports carbon dioxide detection, humidity detection, temperature detection, hazard assessment, only alarm system, gases recognition algorithm, multiple anti interference, air convection technology, room temperature compensation standard. 7、Applicable to modern warehouses, greenhouse fruits, agricultural planting, ect. Specification Features: Made from fine quality material, has high durability and outstanding texture. Built-in high-precision sensor, has high sensitivity, stability and response speed. With large display screen, clearly read the data . One-button switch, press and hold button for 3 seconds to turn on/off, and the surrounding environment would be automatically detected after turning on. The CO2 concentration per cubic-meter is monitored in real time, and the flashing light shows the level of the zone. Value update frequency 1 time/S. Multi-functional design, supports carbon dioxide detection, humidity detection, temperature detection, hazard assessment, only alarm system, gases recognition algorithm, multiple anti-interference, air convection technology, room temperature compensation standard. Applicable to modern warehouses, greenhouse fruits, agricultural planting, ect. Specifications: Material: ABS Color: white, black (optional) Proper temperature: 1~70℃ Display mode: digital display + LCD screen + backlight Examination range: 400-5000ppm Operating voltage: 5V Batterys-capacity: 1200mAh Charging port: Type-C 5V Coz Instructions: 0~799ppm:green flashing 800~1199ppm:yellow flash 1200~1599ppm: orange flashing 1600~1999ppm: red flashing >1999ppm: four colors flashing Item size: 90 * 70 * 35mm / 3.54 * 2.75 * 1.38in Item weight: 106g / 3.74ounces Package size: 141 * 97 * 48mm Package weight: 185g / 6.52ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 1 * Monitor 1 * Charging Cable 1 * User Manual Package List 1 x Data Cable 1 x Manual 1 x Detector