Portable handheld air detector and offer each 's environment result. Easy to read numbers surrounded by LCD screen digital display with air quality light indication and support of an mean will let you know if you air is unsafe and you need to take some actions. Features - Color: White. - Material: ABS and PVC. - Size: 9.00 x 7.00 x 4.00cm/ 3.54 x 2.75 x 1.57 inch. - The actual application of carbon dioxide detector, agricultural planting, greenhouse vegetables, production warehouse, raws material processing, etc. - The carbon dioxide detector has functions such as temperature and humidity detection, system, gas recognition , air technology, greenhouse compensation and calibration. - Improving plant photosynthetic efficiency, accumulating sugar content, increasing production and - are of great significance to scientific planting. - The large screen design is clear and easy to see, and the carbon dioxide detection is clear . - Real-time monitoring of pollution data, real-time display of the concentration of carbon dioxide per cubic meter. Package list: 1 x gas detector