Power Supply: AC 110V powered, no need any converter. The high voltage powered LED twinkle string lights is more brighter than solar powered and other low voltage powered string lights. | Waterproof: waterproof string light which can be used outdood and indoor, but keep dry of controller and plug, they are non-waterproof. | More Twinkle Light Beads: super long light line 33ft with 80 LEDs, female plug at the end is connectable for more than one string. Flexible usage in different scences. | 8 flashing functions: Combination, In Waves, Sequential, Slo-Glo, Chasing/Flash, Slow Fade, Twinkle/Flash, and Steady on. | Suitable occasions / events: home, office, restaurant, garden, swimming pool, bedroom, children's room, living room, balcony, balcony window, pergola, terrace, gazebo, pavilion, fence, tent, shelf, bed, cot, for Christmas, Christmas tree decoration, New Year, parties, birthday parties, wedding, dinner party, on trees, mail box, ground fence and planters.