8 Modes with Memory Function: 8 Kinds of different light modes available, once certain mode is selected, it will stay on that mode everyday until you press the MODE button to select another.Multifunctional Installation: 2 in 1 stake allow you to stick the stake into the ground or mount the solar panel on the wall.Upgraded Solar Panel: Efficient absorption & conversion, less charging time and more working time, full charge of 5 hours will work more than 8 hours. The upgraded button is more sensitive, therefore making it convenient to press.Perfect Performance: 1 inch diameter, 30LED, 21ft, 8modes, colorful ball, dark green wire, waterproof IP65 rating, suitable for outdoor and indoor use, auto on at dusk, auto off in the daytime.Money Saving: The solar light strings is charged by solar energy, there is no electricity cost, no battery replacement, environmentally friendly.