Why Choose Ours：More efficient Energy ConversionAdopted high strength polycrystalline silicon solar panel, its energy conversion rate up to 19%, which is far more than other solar string lights on the market.Upgrade Solar Panel from 2V/100mA to 2V/300mA, Upgrade built-in battery from 600mAh to 1800mAh.make this solar string lights brighter and versatile.More LED Bulbs and Longer WireWith 100 high quality LED String Lights and 40 ft long wire, you should not worry about，It has many lamp beads and it being long enough 。it is long enough to decorate your spaces.Let's color your lifeThese fairy solar string lights can create warming, sweet and romantic atmosphere, with waterproof function, can even work on rainy days.Decor your home and garden easily, can make it into any shape you like, not any other electric wire needed.During the daytime, the solar panel converts sunlight into electrical energy stored in the rechargeable Ni-MH battery.Specification:- Color: Warm White- Power source: Solar powered- Number of lights: 100 LEDs- Total length: about 40ft- Charging time: 4-8 hours- Working time: Steady on mode 8-12 hours; Flashing modes 10-14 hours. (Depending on the environment and temperature.)- Solar panel: 2V 300mA- Rechargeable Ni-MH battery: Class A++1800mAh- Switch: ON/OFF & MODE (steady and flashing)Warranty:Buy with confidence. Your satisfaction is our top priority. If there any issue with our product, please feel free to contact us first, We will response and solve within 12 hours.