Carbon Dioxide Detector Portable Air Quality Detector Temperature And Humidity Detection Formaldehyde Detector Features: 1. Mesh design: the heat dissipation effect of the product will affect detection performance. In terms of ventilation and heat dissipation, scientific mesh design is adopted to achieve fast heat dissipation and accurate detection data. 2. High performance chip: This product uses high-performance chip, which can accurately capture the weak current generated in the process of electrochemical reaction, and accurately calculate the HCHO measurement results. 3. Long life: This product is rechargeable, and the built-in battery can last for 10 hours after full charge. 4. Clear display: This product has a large screen, and the data display is very intuitive and clear. You can see the value quickly. 5. Portability: This product is small in size and light in weight, very convenient to carry around. Description: This air quality detector detects fast and accurate, and is very suitable for testing carbon dioxide and other gases. Specifications: Display: smart color screen Alarm method: color and voice dual reminder Working voltage: DC5V Battery capacity: 1200mA (18500 model) Working temperature: 10-50& 8451; Size: 9.8*6.7*2.3cm Package Included: 1 pc* Air Quality Detector Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.