86-inch in-wall concealed design, easy installation without wall remodeling, universal compatibility. Smart home integration, scene modes, device automation, and remote app control. Precise touchless control of lights, curtains, air conditioning, and other smart devices; compatible with select smart home ecosystems. Customizable scene联动 (removed non-English term) — quick scene mode switching. 4-gang composite switch: supports standard switching and scene activation. Rename switches or scenes via app; names auto-sync to the switch’s LCD display (80 × 160 resolution). Built-in calendar and weather information screensaver. Millimeter-wave human presence detection radar. 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 Includes: 1 × Tuya Zigbee Smart Scene Switch