ZigBee Gateway: Connects various ZigBee smart devices to achieve whole-home smart interconnection Central control screen: Centrally manage smart home devices and control the entire house from one screen Quick scene switch: switch preset scenes with one click, making more convenient Timing control: Freely set the temperature control schedule to make your life smarter and more efficient Brightness control: Supports adjustment of 1%-100% brightness to provide a comfortable experience Product name:Smart control panel Screen size:4 inches Input:95-240 VAC, 50/60Hz Wireless protocol:Wi-Fi, Bluetooth, Zigbee Ambient temperature:-5°C-45°C Ambient humidity:5-95%RH (no condensation) (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 x Smart control panel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.