Bulk - Alpine Power Beam 10 Watt Light - Requires Transformer Includes (1) 10 Watt Bulk Power Beam Light with 23' underwater cable Requires connection to 12V transformer for power (NOT INCLUDED) Can be used indoor or outdoor/Fully submersible 30 Day Limited Manufacturers Warranty (Excluding lamp) Light Dimensions - 2-1/4" diameter x 2-1/8" high