KEEDA Solar String Lights 50 LEDs 23ft/7M Waterproof Color Changing Globe Ball Fairy Lights For Outdoor Garden (Multi-Color) Waterproof Design: suitable for indoor and outdoor use; It's a waterproof string lights, but to maintain a long using life, please do not use it in the water. Solar string light Built-in Battery : Built-in rechargeable 600mAh Ni-MH battery design, can continuously run more than 8 hours if panel absorbs enough sunshine during the day 2 Switches: Solar powered panel is stood by a 20cm garden spike. With ON/OFF, MODE switches. There are 2 switch, one is Mode (Flashing mode convert switch), another is Power On/Off(After switch turned on, can automatic light control and charging). Ideal for Decor: this solar powered string light automatically illuminates during night, which ideal for decorating your outdoor garden, lawn, yard, fence, Christmas tree etc. and can be used as perfect layout ornaments for Valentine's Day, Christmas, Party, wedding etc. to add festive atmosphere to your place Unique optical technology: can guarantee the lamps and lanterns (when brightly light) automatically charge during the day, and in the evening (when insufficient light) automatic light up.Lamps and lanterns also has the characteristics of easy installation, waterproof sunscreen and other characteristics.