CO2 Detector, 400–5000 PPM Home CO2 Sensor, Mini CO2 Detector

【Home Safety Guard】-- The air quality monitoring device can track carbon dioxide in real time. Our multi-function detector can also simultaneously detect indoor temperature and relative humidity. The best choice for your comfortable living and office environment. 【Fine Design】-- Compact size of 70 * 80 * 35 mm. Perfect decoration and practical tool for your bedroom and office. Thanks to the special coating on the screen surface, you can also use it as a mini makeup mirror. 【High-precision Measurement】-- The detector uses non-dispersive infrared technology with ventilation holes at the back and an built-in NDIR infrared sensor that can accurately detect CO2 gas concentration between 400-5000 PPM. Accuracy can be up to 1 PPM. 【Three-color Indicator】-- Built-in 3 colored indicator lights. Red, yellow, and green represent poor, normal, and good air quality respectively. You can intuitively understand the quality of the air you are breathing. Your best health monitoring assistant. 【Portable and Energy-saving】-- Lightweight at over 150 g and easy to carry around. A built-in rechargeable battery is included. It can also be charged via a USB cable. Fully charged before use in just 2-3 hours.