Philips WiZ WiZ Smart Dial Switch Here's what you need to install the WiZ smart dial switch: nothing! Mount the compact base in a convenient location, then attach the light switch that fits your existing switches. Easy to detach the magnetic plate for portable, wireless lighting control anywhere you need it. Use the dial for quick on/off and smooth dimming, or tap the panel to switch among your favourite lighting scenes. The smart dial light switch contains a USB-rechargeable lithium battery with so you'll never run out of juice. A discreet LED ring indicator lets you know when your lights are in use or when the battery needs recharging. Trust WiZ to fill your life with light - right out of the box! Depth: 8.6 CM Rechargeable USB dial switch with detachable magnetic plate The right ambience with just one tap Easily control one or multiple lights in a room Wireless control of your WiZ lights Wide control range of 15m/50ft Height: 2.49 CM Width: 8.6 CM