Moonrays 91249 Solar-Powered Black Plastic Post-Cap LED Lamp Light Use free Solar energy from the sun, includes (2) Moonrays brand, rechargeable AA NiCD batteries Bright-white LED lights offer long-lasting, energy-efficient use Durable plastic housing and clear plastic lens withstand the elements Easily mounts on top of any 4X4 fence post, 2 mounting screws included Measures approximately 6-inches L x 6-inches W x 4-inches H, base is 4.25-inches