16pcs 6W LEDs lights can dry all glue fast and perfectly to save your manicure time 2LED lights have no radiation and are not easy to break or crack, which are almost harmless to your nails, very assured for you to use 3Adopts folding built-in design, the stent can be free to close up when not in use 4Auto-shut function, it will automatically shut off with no working within 10 minutes 550000 hours lifetime, 2 hours charging