Lights up automatically when your face approaches. Its tru-lux light system simulates natural sunlight, allowing you to see full color variation, so you'll know when your makeup is color-correct and flawless. Long-lasting surgical-grade LEDs won't burn out or diminish. Button on back controls level of brightness from 600 to 800 lux. Folds down flat and stores easily in its convenient travel case. 10x magnification is ideal for close-up work like tweezing or applying eye makeup. Cordless and rechargeable with USB-C.