This Solar Lights Outdoor Advantage : 2-Pack with Each 72ft 200LED String Lights, More Brighter with Upgraded Bulbs, Higher Conversion with Better Solar Panel, Larger Capacity Battery(1800mah ), IP65 Waterproof Performance Widely Used Fairy Lights This outdoor solar lights is a great choice for Christmas Decorations, Holiday Decorations, Party Decorations, Wedding Decorations, Home Decor, Patio, Garden, Yard, Party, Fence, Porch, Tree, Roof and so on. 8 Modes Setting & Memory Function These twinkle lights have the On/Off button and mode button. You can select 8 different modes to satisfy your diverse needs by pressing the mode button.And the built-in memory chip saves your last modes setting, so there is no need to reset it again. Notes !!! The Solar Converter may not be powered due to prolonged storage. Please power ON first before charging, and it will be charged automatically. It is charging ONLY when the switch is "ON".Be sure the solar converter is in a sunny location – not in a shady area – and the solar panel faces the sun.It is only designed to be protected from the rain. Please DO NOT immerse it in the water. 2 Pack Upgraded Solar String Lights Specifications: LED Color: Cool White LED quantity: 200 LED Battery: 1800mAh Built-in Battery Waterproof Level: IP65 Switch: ON/OFF, MODE Charging time: 6-8 hours Working time: 8-10 hours Each Length: 22m/72ft How to Use: Place the LED solar string light according to your actual needs.Attach the pointed ground stake to the bottom of the stake connector. Slide the solar converter box into the top of the stake connector. (Also shown with pictures on the package )Press the ON/OFF switch on the bottom of the solar converter box to turn on the lights and then insert the stake into the ground to complete the installation.