[High Quality Solar Outdoor String Lights] - The factory equipped sophisticated and 180 degree adjustable monocrystalline silicon solar panel plus the inbuilt 800mAh rechargeable battery, which can be recharged without sockets and wires. When the built in NiMH battery saves enough solar energy in the daytime, the string lights can automatically work for 10 to12 hours at night. [8 Lighting Modes and Memory Function] - Press the mode button of the solar panel and select 8 different lighting modes which include waves, combination, sequential, gradual, chasing flash, slow fade, twinkle flash, and steady on. The built in memory chip of the solar string lights outdoor garden will save your last mode's setting, so there is no need to repeat settings. [Energy-Saving and Automatic Switch] - Solar charging, environmental protection, no electricity bills, battery life up to more than 18 months. These solar lights charge during the day, turn on automatically at dusk, and turn off at dawn. [Easy