You can control the Yeelight device on the local network without any internet connection. With it, you can control Power on / off, Brightness, Color, Saturation, and Color temperature. Supported device: > Lightstrip (Color) > LED Bulb (Color) > Bedside Lamp > LED Bulb (White) > Ceiling Light Requirement: > Smartphone/tablet and YEELIGHT devices connected to the same local network. > Developer mode/LAN control enable for each devices.