Features: 1. Compact in size, and portable, easy to take out and carry around with you.<br> 2. Adopts quality intelligent chip for fast response and more accurate measurement of CO2 in air, with high working performance and high accuracy.<br> 3. Uses high accuracy semiconductor sensor, high precise temperature and humidity detection, with fine interference resistance ability, stable working performance, with low power consumption.<br> 4. display, you can see the electricity quantity, CO2 value, TVOC value, HCHO value, temperature, and humidity clearly.<br> 5. Multifunctional design, with real-time detection, automatic refresh data, and self-calibration functions.<br> Specifications:<br> Name: Air Quality Detector<br> Battery: 1 x 18650 battery (not included)<br> Display: digital display<br> Interface: Type-C 5V, 1A<br> CO2 measuring ranges: 400-5000ppm<br> Temperature measurement ranges: 0 to 50/ 32-122<br> Humidity measurement ranges: 0-100%RH<br> Equipped with air quality level division function, 4 different words correspond to different air quality levels, allowing you to more accurately and more graphic know the current air conditions.<br> The multi-channel air convection design enables efficient detection due to the high convection between the air and the machine, while also providing a fine heat dissipation effect.<br> Widely applications: agricultural planting, greenhouse vegetables, production warehouse, material processing, , business offices, and etc..<br> Material: plastic<br> colour: white<br> Package Contents:<br> 1 x Air Quality Detector<br> 1 x English instructions<br> Only the above package content, other products are not included.<br> 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.