Item Type: Smart Air Box_x000D_ Material: PVC_x000D_ Weight: Approx. 81g / 2.9oz_x000D_ Product Diameter: Approx. 9cm / 3.5in_x000D_ Product Parameter Table_x000D_ ParameterMinimum ValueMaximum ValueUnit_x000D_ Operating Temperature-2085C_x000D_ Operating Voltage4.812V_x000D_ Working Current10496ma_x000D_ Power ModeUSB 5V/1A_x000D_ Communication ProtocolWIFI 2.4GHZ_x000D_ Shell MaterialPVC_x000D_ Range (Formaldehyde)010mg/m3_x000D_ Range (VOC)099.9ppm_x000D_ Range (CO2)01000ppm_x000D_ Range (Temperature)060C_x000D_ Range (Humidity)095% 1It is used to detect 5 kinds of environmental parameters such as formaldehyde, toxic gas VOC, carbon dioxide, temperature and humidity. 2Optimize the home environment of smart home air conditioner, air fan, humidifier, and air purifier when the environmental parameters automatically exceed the standard. 3Smart WiFi air box is one of the smart devices that remotely monitor the air environment to ensure you have a safe and healthy home environment. 4WiFi smart air box can be remotely controlled with a mobile phone to realize intelligent linkage with other products that support for Tuya in the home. 5It is suitable for a variety of scenes, real?time monitoring of environmental conditions. It is flexible to place and take up small space. 1 x Smart Air Quality Box 1 x Manual 1 x USB Cable 1 x Pin Please do not place the wind box in excessive oil smoke, strong convection air or high concentration organic gas for too long, otherwise the sensor will be damaged.