JACKYLED B00M4ZTS84 Solar 8-Pack Dock Path Road Long Service Time LED Bright White Weatherproof Wireless Outdoor Warning Lights for Driveway Garden Walkway Backyard Step Charge automaticallyjackyled solar dock light absorbs the unlimited and free power from the sun about 6-8 hours to supply the leds up to 72 hours. It will automatically charge during daytime and illuminates when night falls or with the onset of inclement weather. It is not only environmental protection but also saving money, continuous solar energy does it for you. Thank you for your help for earth! Ip68 waterproof: JACKYLED white solar dock light is certified with Ip68 and 100% waterproof, the tightly sealed battery compartment can withstand most kinds of environments, no rusting, durable all year round. Hard shell: JACKYLED white solar dock light is made of high quality poly-carbonate which means that it will not be damaged even the car or truck run over it, and it can withstand 20 tons of pressure, hard enough for any road. Each light has 6 premium quality leds which gives out a visible super bright and steady light for more than 875 yards. Multipurpose: JACKYLED white solar dock light can be used for road, path, deck, dock, driveway, garden, walkway, sidewalk, backyard etc. This light can be quickly installed in any ground where it can absorb the sun light directly. With its wireless design, you can fix it with screws or glue, we have prepared installing screws for you to fix this pathway light on the road, so you dont need to buy new screws. Note: exposuring in the moisture space for a long time might reduce the lifespan of the solar dock light.Since the power might drain during long time shipping, before fixing it to the ground, we suggest that test to use about 3-5 days, if there is any problem with the solar dock light, please feel free to contact us.