LEDHOLYT Ourdoor 33ft 100 LEDs Solar Powered String Lights 8 Modes Waterproof (Blue) 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. Wall mounted design, can be installed anywhere.Completely safe to use.Easy to install.Waterproof lelvel IP68, suitable for indoor and outdoor use. No wire needed,solar powered panel with rechargeable batteries installed.Super long working time, it can continuously work more than 15 hours at night if the panel absorbs enough sunshine during day. There are have 2 switchs, one is Mode switch, Bright lights have 8 different modes of glimmering: COMBINATION INWAVES SEQUENTIAL SLOGLO CHASNG/FLASH SLOWFADE TWINKLE/FLASH STEADY ON,another is Power On/Off(After switch turned on, can automatic light control and charging). Perfect for decoration. Ideal for garden, trees, boats, cars, gate, porch, lawn, yard,etc.