Collects the sun's energy during daylight and charges the batteries. At nightfall its sensor automatically turns on the super bright LED light. Operates 18 hours on a full charge. Brighter than conventional solar garden lights. Just place it on your existing dock post and you're ready to go! 360 degree diffusing lens and domed light reflector.
Universal Round fits post sizes: 1-5/8", 1-7/8", 2-3/8", 3-1/4", Brock Docks or flat surfaces.
Sold in package of 2.
NOTE: for freshwater use only. Not a Coast Guard approved navigational light. Not intended for navigational beacons on commercial waterways.