Feature: 1. Set up Your Smart Home: Control lights electronics and small appliances from anywhere. 2. Smart Knob Scene Switch: Intelligently control the device after connecting it tomost Zigbee hub, Tuya Zigbee hub required for its much more compatibility with zigbee devices than other hubs. 3. Customize button actions: Create a smart scene and set single press/double press/long press as you want in the Smart Life App to turn on/off the selected devices. 4. Single press the knob button to turn on all your lights, air conditioners, fans and other electronic devices you want when you arrive home. 5. Create various scenes to meet your daily use, such as one button to turn on/off all lights or set up routines for automated controls. Specification: Smart scene button offer you the real smart way to control your home lights remotely through the Smart Life App. Single press the knob button to turn on all your lights, air conditioners, fans and other electronic devices you want when you arrive home. Features: Set up Your Smart Home: Control lights electronics and small appliances from anywhere. Smart Knob Scene Switch: Intelligently control the device after connecting it tomost Zigbee hub, Tuya Zigbee hub required for its much more compatibility with zigbee devices than other hubs. Customize button actions: Create a smart scene and set single press/double press/long press as you want in the Smart Life App to turn on/off the selected devices. Single press the knob button to turn on all your lights, air conditioners, fans and other electronic devices you want when you arrive home. Create various scenes to meet your daily use, such as one button to turn on/off all lights or set up routines for automated controls. Note: Need to be used with Zigbee 3.0 gateway! Specifications: Material: ABS Built-in Battery: CR2032 (Not included) Operating Voltage: DC 3V Working Current: Standby current ≤5uA, Maximum current ≤10mA Transmission Distance: Open range ≥30m Operating Enviroment: -5℃ to 45℃(23℉ to 113℉)/≤95%(no condensation) Item Size: 44.8 * 44.8 * 18.8mm / 1.76 * 1.76 * 0.74in Item Weight: 23g / 0.81oz Package Weight: 37g / 1.31oz Package Size: 5.9 * 5.9 * 4cm / 2.32 * 2.32 * 1.57in Package List: 1 * Smart Scene Button 1 * User Manual (English) Package List: 1 * Smart Scene Button 1 * User Manual (English)