Elegant DesignSolar deck lights is made of aluminium alloy, solar panels, led, and storage battery. With its wireless design, no need for hand controlling, simple, safe.Resistance to PressureSolar deck lights Resistance to pressure (up to 20 tons) . It will not be damaged even the car or truck run over it. With the great illumination, it can prevent the accidence. Can be used for deck, road, dock, path, driveway, garden, walkway, sidewalk, step, stairs, etc.Easy to UseFirst time using, (make sure to turn on the switch) Solar deck lights are charged in the daytime for 6-8 hours under the sun, and will turn on for 8-12 hours in the nighttime automatically. It can be mounted with the provide screws.IP68 WaterproofWith IP68 waterproof against any types of terrible weather like a rainstorm, blizzard or daily heat in a long time.aluminium materials ensure the light can be used in all kinds of outdoor conditions.NotePlease make sure the sunlight can be directly on the solar panel at least 3~5 hours to fully charge the battery inside. If there is any problem with the Solar deck lights, please feel free to contact us.