Features: x Material: Made of material, wear-resistant, not easy to break, durable and can be used for a long time. x Multi-functional: This airs detector can detect temperature, humidity, CO2, VOC, formaldehydes, and the five-in-one design makes it more convenient for you to use. x Real-time detection of home airs environment: You can view home airs environment data in real time through the application, which is simple and easy to use. x Smart Control: Sync your airs detector with other smart homes devices to clean the airs in a seamless, integrated way. x Wide Application: Suitable for a variety of scenarios, such as home, hotel, office, RV, etc., and can be integrated into various decoration styles. Description: Material: PVC Size: 90 x 90 x 35mm Working temperature: -20 DegreeC-85 DegreeC Working voltage: 5V Working current: 10-496mA Power supply mode: USB 5V1A Communication protocol: WIFI 2.4G Formaldehydes detection range: 0-10.00mg/3 VOC detection range: 0-99.9ppm CO2 detection range: 0-1000ppm Temperature detection range: 0-60 DegreeC Humidity detection range: 0-95% Package List: 1 x Airs Detector 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.