Features:Premium material: Made of quality material, sturdy, practical, not easy to break, and can be used for a long time.Battery powered: powered by 2 AAA batteries (batteries not included), easy to use and can be replaced at any time.WiFi Connectivity :Connects to your home WiFi networks, allowing you to monitors temperature and humidity from anywhere using your smartphone.Voice Control Compatibility: Allowing you to control the temperature and humidity with your voice.Wide Application: Multiple temperature modes are adjustables and suitable for different scenarios.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:USB Power Input: DC5VBattery Input: DC3V AAA X2(Not Include)Static Current: 90uAAlarm Current: 40mAWiFi: 2.4G, 802.11 b/g/nZigbee Standard: Zigbee 3.0Detect Temperature: -10 C ~ + 60 CDetect Humidty: 0-100%RHAlarm Sound Volume: 55dBInstallation method: Wall mounted/ Horizontal placementWorking Temperature: -10~+60Working Humidity: 90%RHTemperature error: 0.5 CHumidity error: 5%