Adjustable brightness: The UV nail lamp features 4 brightness adjustment levels, so you can set the brightness to suit your needs. Maximum power 5w, easy to dry nail in 2 minutes. Flexible Gooseneck: 30cm length and 360 rotating gooseneck tub design for ultraviolet glue lamp lets you adjust sitting posture and angel, letting you feel easy to enjoy manicure. Stable clamp design: with a maximum clamping distance of 6 cm, you can fix the lamp stably in the desired location. USB power supply: low-voltage USB 5 V power supply is safer, more convenient, plug and play. 1.5 m power cord, sufficient for everyday use. Wide Application: Not only used for curing nail glue, but also for curing ultraviolet resin, identifying fluorescent agent, authenticating counterfeit money/bills and providing light for small plants, etc.