86 In-wall concealed design, easy installation without wall remodeling. Smart home integration, scene modes, device automation, and remote app control. Touchless control of lights, curtains, air conditioning, and other smart devices. Compatible with select smart home ecosystems. Customizable联动 scenes for quick scene switching. 4-gang composite switch supports standard switch functions and scene switching. Rename switches or scenes via app; names automatically sync to the switch’s LCD display (80 × 160 resolution). Built-in calendar and weather information screensaver. Millimeter-wave human presence detection sensor. Power-on/power-off memory function. Zigbee wireless connectivity support. RS-485 interface: supports external input control and output control of external smart devices (customization required). Color: Gray Material: ABS + PC Package Contents: 1 × Tuya Zigbee Smart Scene Switch