200 LED Solar String Lights: Our solar string lights are 22m long in total (20m light length + lead wire + 2m) and 200 micro light beads. Ideal for decorating your garden, patio, gate, yard, tree, fence, party, wedding, birthday, holiday and Christmas. Solar Powered String Lights: These solar Christmas lights are built-in 1200mAh rechargeable Ni-MH battery, saving energy and protecting the environment. It only needs to be charged for 6-8 hours during the day and can work for 8-10 hours at night. Auto On/Off: Powered by solar energy, no additional electrical cost. These solar string lights automatically turn on in the dark and automatically turn off during the day. Built-in memory chip, you don't need to reset the mode every day. 8 Lighting Modes: This solar string light has 8 different light modes including Combination, Pulse, Sequence, Squint, Flash, Slow Fade, Blink, Steady, just press the mode button to satisfy your various needs. Raincoat: IP44 completely waterproof, the outdoor solar string lights can withstand all kinds of weather conditions, including rain and snow. Perfect choice for indoor and outdoor use, no worries about humidity or bad weather. To note: On cloudy days or in winter, insufficient sunlight leads to longer charging times and shorter working hours. This is a common feature of solar panels.