1、View home environment data in real time through the smart APP. Remote control, sensitive response, real‑time reporting, intelligent linkage. 2、When the indoor temperature is too high, the air conditioner is automatically turned on and adjusted to a comfortable temperature. 3、When the indoor temperature is too low, the electric heater is automatically turned on to keep warm. 4、When the indoor air is dry, the humidifier is automatically turned on to optimize the environment. 5、When the indoor formaldehyde/VOC exceeds the standard, the air purifier is automatically turned on. 6、When the indoor carbon dioxide exceeds the standard, the new fan is automatically turned on to circulate the air. 7、After the automatic mode is preset in the APP, when the indoor environment is abnormal, a linkage alarm can be triggered, and the home appliances can be turned on to optimize the environment. 8、Suitable for a variety of scenarios, real-time monitoring of environmental conditions, incorporating various decoration styles, flexible placement, and small space occupation. 9、Eliminate invisibility healthy threats. Detect formaldehyde, VOC volatile gas, carbon dioxide, temperature, humidity, remote alarm function. Item Type: Air Quality Monitor Material: PVC Color: As shown in the picture Product Size: Approx. 9x3.5cm / 3.5x1.4in Weight: Approx.89g/3.1oz Model: RSH-Air Box01 Type: wifi air box Function: 5 kinds of detection data of formaldehyde/V0C/C02/temperature/humidity Application: Home, office, hotel Working Temperature: -20℃~85℃ Working Voltage: 5V Working Current: 10~496mA Power Supply Mode: USB 5V/1A Communication Protocol: WIFI 2.4G Formaldehyde Detection Range: 0~10.00mg/m³ VOC Detection Range: 0~99.9ppm CO2 Detection Range: 0 ~1000ppm Temperature Detection Range: 0~60℃ Humidity Detection Range: 0~95% Installation Method: Scan the QR code on the smart life application download or manual, install and register the user. Log in to the app and build your own family. Regarding Preheating: When the air box is just powered on, in order to detect more accurately, the sensor needs to be heated for 1-3 minutes. 1 x Air Quality Monitor 1 x Card Pin 1 x USB Cable 1 x English Manual