Note 1. Tuya ZigBee hub needs 2. Batteries not included. 3. Doesn't support voice control. 12 ScenesThree pairing modes for each button Create the mode you want with Smart Life APP, realize 12 scenes from switching 4-speed scene, such as away mode, home mode, movie mode, etc. Compact DesignIt is a wall-mounted wireless wall switch and remote control when is not installed. Thanks to its compact size, only 1.3 cm thick, it can be carried comfortably on balconies, bedrooms, kitchens and more. Multi-scenario use Speed up the time of response from smart devices, provide smoother control and eliminate dependence on WiFi networks only. Double-sided adhesive tape included Items in the box can be attached anywhere, low power consumption energy, no wiring required, simple operation, easy to build multiple controls and make quick and easy upgrades.