in 1 Kohlendioxid-Detektor CO2-Detektor Thermohygrometer Intelligenter Luftqualitätsanalysator Haushalt Digital Air Verschmutzung Monitor - Black

【Color LCD Screen】 - The color screen makes it easy to read and identify in the dark. 【CO2 Detector】 - The color ring changes according to the current CO2 concentration. Green 400-799 ppm, yellow 800-1199 ppm, orange 1200-1599 ppm, red 1600-1999 ppm, above 2000 ppm, all four colors flash simultaneously. 【3-in-1 Function】 - It can detect CO2 concentration, humidity, and temperature in real time. CO2 detection range: 400-5000 ppm. Temperature detection range: 0-50°C. Humidity detection range: 0-99% RH. 【Rechargeable Battery】- High-capacity 1200mAh battery for extended operating time, Type-C charging interface for easy charging. 【Easy to Carry】- The product is compact and easy to carry. The ventilation holes on the back not only accelerate air convection between the device and the machine for efficient detection but also provide excellent heat dissipation.