O-Best LED Color Changing Photo Clip String Lights USB Powered 2.5M 10 RGB Photo Clips Display LED String Fairy Lights Christmas Wedding Party Home Decoration LED Flash Fancy Light 2.5M photo clip light string ( transparent color when no lighting) with 10 clips On each Led bulbs equipped a transparent clips which can nip photo or other small things Each clip independently gradually changes between colors. Powered by USB interface can be connect to power bank or any USB port Please Note: Not fully waterproof, to maintain the long life and good function, please keep it from rain and dampness.