Lights up automatically. 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. Folds down flat and stores easily in its travel case. Cordless and rechargeable — one charge lasts up to 2 weeks. 10x magnification is ideal for close-up work like tweezing or applying eye makeup.