Rechargeable USB dial switch with detachable magnetic plate Mount the compact base in a convenient location and attach the light switch, which fits with your existing switches. Easily detach the magnetic plate for portable, wireless lighting control anywhere you need it. The right ambience with just one tap Use the dial for quick on/off and smooth dimming, or tap the panel to switch among your favorite lighting scenes. Easily control one or multiple lights in a room This portable control accessory can link to one room and trigger all lights in that room. Whether there’s one or fifty lights! Want to control another room instead? Simply change the accessory’s linked room in the app. Wireless control of your WiZ lights Enjoy quick and easy control of your WiZ lights. Turn lights on/off and adjust brightness with just one press. Connects directly to your WiZ lights and works even when the Wi-Fi is down. Wide control range of 15m / 50ft Control lights and devices within a range of 15 meters or 50 feet in a normal indoor environment with partitions and walls.