Feature:1. [Real-Time Monitoring] Monitor five environment data including formaldehyde, VOC, CO2, temperature and humidity in real time, which can be checked clearly through the Tuya APP.2. [Intelligent Linkage] After setting up the automation mode in the APP, it can trigger linkage alarm when the indoor environment is abnormal and automatically open corresponding smart devices for optimization, such as air conditioner, humidifier, etc.3. [Easy Placement] Lightweight and portable, can be stick on the wall or put on the table and other places, meeting your different needs.Specification:This smart detector can be placed in different kinds of scenarios to monitor the real-time environmental conditions. Healthy life begins from a smart air box.Features:[Real-Time Monitoring] Monitor five environment data including formaldehyde, VOC, CO2, temperature and humidity in real time, which can be checked clearly through the Tuya APP.[Intelligent Linkage] After setting up the automation mode in the APP, it can trigger linkage alarm when the indoor environment is abnormal and automatically open corresponding smart devices for optimization, such as air conditioner, humidifier, etc.[Easy Placement] Lightweight and portable, can be stick on the wall or put on the table and other places, meeting your different needs.Specifications:Model: RSH-Air Box01Material: PVCColor: WhiteWorking Voltage: 5VWorking Current: 10 - 497mAPower Supply: USB 5V / 1ACommunication Protocol: WIFI 2.4GHzTemperature Range: 1-60Humidity Range: 0 - 95%Scope of VOC: 0 - 99.9 ppmScope of CO2: 0 - 1000ppmItem Size: 90 * 90 * 35mmItem Weight: 59g / 2.08ozPackage Size: 9.7 * 9.7 * 4.1cm / 3.82 * 3.82 * 1.61inPackage Weight: 88g / 3.1ozPackage List:1 * Air Box1 * Charging Cable1 * User ManualPackage List:1 * Air Box1 * Charging Cable1 * User Manual