【SUNSCREEN COVERAGE】For outdoor travelers and daily commuters, this pocket-size helper lets you check sunscreen coverage during beach trips or afternoon walks. The built-in UV camera reveals uneven patches to ensure skin protection. 【DOUBLE-SIDED USE】Featuring a sleek white casing measuring 9.0 x 6.1 x 1.5 cm / 3.54" x 2.4" x 0.59", this portable tool combines a 2.8 inch UV detection screen with a 3.62 inch regular glass for grooming. 【DEEP CLEANSING AID】Simplify your nightly skincare routine in the bathroom. The integrated UV camera identifies leftover cosmetics and residues, helping beauty enthusiasts thoroughly cleanse their skin after a long day of work. 【RECHARGEABLE BATTERY】Equipped with a built-in 1000mAh rechargeable lithium battery, this handheld device offers reliable power on the go. Use the simple one-button control to check your sunscreen application status anytime, anywhere. 【ULTRA-LIGHTWEIGHT】Weighing just 82g (2.89 oz), this lightweight beauty essential slips easily into your purse or makeup bag. The convenient lanyard port ensures secure carrying during theme park outings and outdoor sports. Package list: 1x Smart UV Mirror