20 LED Solar Lantern String Lights Outdoor Multi-color Lampion Globe for Garden,party,wedding By Uping Long Working Time: Work 8-10 hours after 6-8 hours fully charge in daylights. Waterproof IP44: Solar string lights suitable for Outdoor Decorative. Easy to Operate and Install: Simple operation with Two push buttons and one Stake. Energy Saving: Built-in rechargeable NI-MH battery,recharge and light up automatically, if the sorrounding is dark. Efficient Absorption and Conversion: Adjustable solar panel design for direct sunlight from Summer to Winter.