Dual illuminated lighting circles and unique frameless design creates more high-end touch. 5mm high-definition mirror, thinner and space-saving. Three touch sensor buttons make it more easy to switch lighting modes/defog/dimmable. 3 lighting colors, warm(3000K), Natural(4000K), White(6000K)+Dimmable function+memory function. When you turn on the light it will be the setting as last time you turned off. Defogged function take 5 min to completely clear the fog off the mirror. IP44 waterproof level, UL certificated electric components, LED lighting strap lifetime: 50,000 hours There is wire hole at four sides to facilitates mounting it. Plug in socket or connect wall light switch but please operate under professional electrician.