Fangrui Product Details 1. Two-in-one Device For Wireless Scene And Dimmer Switch:a New Idea For Zigbee Scene Switch To Create Various Smart Scenes For Your Tuya Smart Devices In Smart Life App;tap-to-run To Get Another Easier Control For All Tuya Smart Devices With Simple Operations On The Switch. 2. Wireless Control For Zigbee Dimmer Lamp Under Remote Mode:add The Smart Knob Switch Into Tuya Smart Zigbee Gateway And Then Add Smart Zigbee Lamp Bulb Under The Remote Dimmer Interface In App For Wireless Remote Control To Your Lamp.(note:only Zigbee Lamp Can Be Added For Control) 3. Pair With Tuya Zigbee Gateway:tuya Zigbee Gateway Is A Must For This Rotary Scene Switch,which Is A Bridge For All Zigbee Smart Devices Under Tuya Smart App For Normal Use. 4. Four Operations Under Remote Mode To Meet Different Demands:single Press To On/off The Bulb,rotate To Normal Dimmer,press And Rotate To Set The Color Temperature,and Long Press More Than 3 Seconds To Set Color,which Clarifies The Real-sense Of Value For Money With This Mini Exce