About this item Easy to use: CO2 measurement. The sensor module is high-precision, stable and resistant to interference. The carbon dioxide concentration can be accurately displayed. Humidity indicator and three measurement modes. We recommend using it with USB charger Real-time detection: The CO2 sensor has a built-in high-performance chip and uses monitoring technology to report ventilation times. It captures pollution data more accurately and is weak. The current generated during the electrochemical reaction is not limited by location or time, which allows accurate calculation of the CO2 rating and supports daily infection control and a comfortable environment. Easy to read LCD display: The CO2 concentration meter is a large LCD with good visibility. It displays the CO2 concentration, temperature and humidity in capital letters. They are also colour coded at a glance. The brightness of the screen can be adjusted by tapping the left and right buttons on the power switch and adjust the brightness according to the position, making it an intelligent meter. COMPACT DESIGN AND VERSATILITY Can be used as a desktop/wall unit. The CO2 concentration meter has a compact design, is small, lightweight, easy to carry and has a new style. The CO2 monitor is not only used in homes, but also in places where people gather schools, hospitals, restaurants, shopping malls, savings and poorly ventilated places, production facilities, luggage warehouses, greenhouses, etc Compact design and versatility: can be used as a desktop/wall unit. The CO2 concentration meter has a compact design, is small, lightweight, easy to carry and has a new style. The CO2 monitor is not only used in homes, but also in places where people gather schools, hospitals, restaurants, shopping malls, savings and poorly ventilated places, production facilities, luggage warehouses, greenhouses, etc Advanced detection module: the air quality detector is adapted to an advanced electrochemical detection module with good accuracy, stable performance, high interference resistance, low consumption and long service life of the cabinet. Compared with other products, our carbon dioxide detectors do not require calibration, they can be tested after opening the ship and can accurately detect › See more product details Product description As we all know, the air quality of the living environment is very important for human health. And living in an environment with inferior air quality will do some harm to you and your family. Our indoor air quality monitor can accurately detect whether your air quality contains CO2, temperature and humidity, and you take action when the air quality is uncertain. Description: 1. CO2 detection range: 400-6000ppm 2. CO2 detection sensitivity: 1 PPM 3. TVOC detection range: 0-2 PPM 4. Temperature measurement range: 0~60°C 5. Temperature measurement accuracy: ± 1 °C. 6. Humidity: 0%~99%RH 7. Humidity measurement accuracy: ± 2% RH 8. Charging mode: DC 5V 500mA Micro USB interface 9. Battery: built-in lithium battery 1200 mAh. Features: 1. 5 in 1 can be used simultaneously as carbon dioxide concentration measurement, thermometer and hygrometer. 2. Battery supply: built-in 1200 mAh lithium battery, use a USB charging cable to charge. 3. Colour screen: displays current CO2 data, temperature and humidity. The colour ring changes depending on the CO2 content. 4. Easy to use: Press and hold the "ON-OFF" button for 3 seconds to turn it on and off. It detects the CO2 automatically. Package includes: 1 x CO2 meter. 1 x USB charging cable. 1 x user manual (English language The built-in 1200mAh lithium battery can withstand about 6-8 hours when fully charged. The product has two colors to choose from: black and white. Configured with 2.8 inch TFT display, Product size: 90 x 70 x 40 mm The color box contains: machine x 1, manual x 1, USB cable x 1. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.