The Vevor Solar Dock Light 24pcs pack is designed for illumination and decoration. It gets charged automatically during the daytime and illuminates after dark. With dye casting aluminum shell, this light is IP68 waterproof, anti UV, and can withstand 44,000 lbs. load for car or trunk passing. With super bright LEDs, it can light up 875 yards of area. Can work up to 72 hours after being fully charged.