Description:This TVOC carbon dioxide detector is small and portable. It can clearly display the carbon dioxide solubility, temperature and humidity of the environment. It is suitable for offices, homes, gymnasiums and other usage scenarios.Features:1. Real-time monitoring and real-time display of carbon dioxide concentration per cubic meter.2. It can detect and display the temperature and humidity of the environment to help users understand the environment.3. It is suitable for offices, homes, gymnasiums and other occasions, with a wide range of applications.4. Intelligent color screen display, clear numbers, easy to identify and read.5. In the alarm mode, the user is prompted to pay attention to the environment by changing the color.6. It has a long service life and can be charged with a USB cable.7. It is small and portable, easy to carry, which does not take up too much space and can be installed at home.Specification:Material: ABSMeasurement accuracy: 1ppmMeasuring range: 400-6000Working voltage: 3.7VCurrent: 120mAPower: 0.4WBattery: 3.7V, 1500mAh Size: about 89 * 70 * 35mm/3.5*2.76*1.38inPacking List:1 * CO2 Detector1 * USB Cable1 *ManualNotes:The product does not contain 18650 lithium batteries, which can be disassembled.Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.