-Button smart control of scenes/lighting: Elderly and children can easily control scene modes and home lighting via buttons. Supports knob adjustment: Air conditioning temperature, dimming, curtain opening/closing, music volume, etc., can be adjusted via knobs. Supports one-click binding of smart devices to the Tuya APP, voice control of Tuya ecosystem products, sensor-linked scene control, scene-linked music playback, and self-questioning/answering. Freely modular design to meet personalized needs: Switches, panels, etc., can be freely combined to customize your own control panel, allowing for diverse scene applications. Note: we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need., Weight: 1.45284630658 Pounds, Manufacturer: FOIJPPINP