Description <br> Brand New and High Quality! <br> This product needs to be used with ZigBee 3.0 gateway! <br> Smart air box is the home of intelligent device for remote monitoring of air environment,It can also detect formaldehyde, VOC of poisonous gas, CO2, temperature, humidity and so on 5 kinds of environmental parameters,In environmental parameters exceed bid automatically when the graffiti smart home air conditioning, new fan, humidifier, air purifier on household environment optimization. <br> The detection range of the smart air box: formaldehyde, VOC gas, CO2, temperature, humidity <br> <br> Examination range: <br> Formaldehyde: 0-10.0 (mg/m3) <br> VOC: 0-99.9 (ppm) <br> Carbon dioxide: 0-1000 (ppm) <br> Humidity: 0-95 (%) <br> After being paired to the APP, it can be linked with various smart home products. For example, when detecting excessive formaldehyde/VOC, the smart air purifier is automatically turned on; when the carbon dioxide is exceeded, the smart fresh air fan is automatically turned on; when the temperature is abnormal, the air conditioner temperature is automatically adjusted. <br> When the humidity is too low or too high, the smart humidifier will be turned on/off automatically; when a certain parameter is detected to exceed the standard, a message will be sent to the alarm (the above smart linkage function needs to be matched with the smart home product) <br> Working temperature: -20--85 <br> Working voltage (rated): 4.8-12V <br> Working current: 10-496ma <br> Size: 90x90x35mm <br> Power supply mode: USB 5V/1A <br> Communication protocol: ZigBee3.0 <br> Notes: <br> Please do not put air box at lampblack is too big, strong convection air or in high concentration organic gas for a long time, otherwise it will damage the sensor. <br> Colour: white <br> Material: plastic <br> <br> Package Contents: <br> 1 * Smart Air Box <br> <br> Only the above package content, other products are not included. <br> Note: Light shooting and different displays may cause the c <br>