The light turns on automatically when you approach with your face. Its tru-lux light system simulates natural sunlight, so you can see all the color nuances and know when your makeup is color-matched and flawless. The touch brightness control bar lets you quickly and intuitively adjust the infinitely variable brightness range. It also features a candlelight setting so you can check your look in low light before you head out. Long-lasting, surgical-grade LEDs that won't burn out or dim after years of use. It's cordless and rechargeable - one charge lasts up to 5 weeks. 5x Magnification - Ideal for exceptional detail viewing where you can still see your entire face at once.