brand new and high quality Features: Multi-mode of temperature display. Support Fahrenheit and Celsius Display. Connected to internet via Zigbee hub, low power consumption, reliable and efficient transmission The LCD screen dynamically displays real-time values, conveys the comfortable state of the home environment, is connected with the for gateway and cloud platform, and the mobile APP can view current and historical temperature data. Wireless transmission of data signals, remote monitoring of mobile phones Ultra low power consumption design with Low battery alert. Powered by 2Pcs AA battery, easy to remove and install. Hygrometer Thermometer only, other accessories demo in the picture is not included. Tips: Tip: The mobile phone APP needs to display the light value, and dedicated gateway is required to output data. Specification: Name: Temperature, Humidity and Light Sensor Battery Type: AAx2Pcs Standby Current: 60.5UA Network Type: 2.4GHZ Communication Protocol: ZIGBEE3.0 Network Protocol: ZIGBEE IEEE 802.15.4 Communication Distance: 40m Working Temperature: -1060 (-4F140F) Working Humidity:0% 90% Material: ABS Size: app.8.4x3.2x5.5cm/3.30x1.25x2.16in Color: White Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Hygrometer Thermometer