2-pack solar railing light. Features an integrated, long life, warm white LED (light emitting diode) that produces 4 lumens of light output. Includes an amorphous solar panel and a rechargeable Ni-MH battery to charge the light using the sun's rays. Up to 8 hours of run time on a full charge. Solar power means there is no need to hassle with power cords and electrical outlets. Installation is easy with included mounting hardware.