This is a great little UV flashlight When you go out or travel to keep it in your purse or car or wherever for on-the-go quick polish fixesWhen you're applying gemstones and other decor to your nails,You can cure them fast and easily with this flashlight without messing them up. LED purple lamp beads,Wavelength: 395nm, 9 independent condensers, good light collection performance, phototherapy speed is faster than ordinary LED, equivalent to the speed of 12W LED lamp, general nail polish only needs 25-30 seconds to dry. It can be used for nail phototherapy, currency checking, jewelry identification, trademark anti-counterfeiting, etc The product has low power consumption, waterproof, pressure-proof, shock-proof, explosion-proof, anti-corrosion, low weight, and a wide range of applications. The torch tail is equipped with a tail cord, which is convenient to carry. Reticulated non-slip leather design, comfortable and non-slip. When using the product, do not direct light to the eyes.Please remove the battery(AAA) when not in use for a long time Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you