Bufftee Solar Christmas Tree Outdoor Lights Fairy 10M Cold White Lights

3 Light Modes Switch buttons – Power on/off. Automatic light perception system – Solar panels have a bright resistance, in the ON mode, light is dark or at night, the string will automatically turn on, the day or light source, is not lit. Solar Powered & Excellent Performance – Designed with solar panel and rechargeable battery. It can work continuously for more than 24 hours at night with low temperature if the panel absorbs enough sunshine during the day. Rain resistant – Not worry to use them in the rain however we do not recommend submerging them in water.General Specifications : Solar Panel: 5.5V 120mA, 17% efficiency Rechargeable Li-ion Battery Power: Solar powered Charging Time: 6~8 hours