GRDE Solar Powered Crystal Water Drop Starry String Light ,20 LED Bulbs 15.75ft Waterproof Fairy Ambiance Lighting for Outdoor, Gardens, Patio, Homes, Wedding ,Christmas Halloween (Multicolor) Perfect Charging : Please be sure to turn on the onswitch on the bottom of the solar pane before charging the lights . Power Conservation and Pro-environment : Made up of 20 beautiful miniature LED decorative lights powered by a solar panel . Powerful high efficient solar panel and built-in rechargeable Ni-MH battery , auto gets fully charged about 4-8 hours under the sunlight.;Very low heat generating ; Easy Operation : The light is easy to place and has a magnificent effect. No worries about faulty wiring. It is very flexible, conforms to any needed shape. Simple two buttons ( ON/OFF" and Mode button) Widely Application : Used in road, yard, window, the place such as shops, hall, stage, especially as a Christmas tree decorated with lights can be to create a warm and romantic holidays.(Indoor and outdoor decoration) Fashionable and eye-catching crystal water drop design ;