Paradise by Sterno Home Stainless Steel Solar LED Bollard Kit with Amorphous Solar Panel & Rechargeable Batteries Solar energy- no wires, recharges with a power efficient amorphous solar panel Amorphous panel - reliable solar panel that charges even when it's not in direct sunlight Light sensor (photocell) - turn on at dusk and off at dawn automatically everyday Weatherproof - protective frosted plastic lens and durable stainless Steel body Includes: 4 bollard lights, 4 AAA ni-mh rechargeable batteries