These surface-mount lights draw 90% less power than traditional fluorescent fixtures

Sealing o-ring

Cap has overload protection on its continuous duty motors

and theres one designed just to fit into your boat

Size Inside Link Length Maximum Working Load (MWL) Breaking Strength Weight Standard Pack Model 1/4"

Vitrifrigo AC30-Q - Evaporator Holding Plate Stainless Steel 13.5EFKOZD These surface-mount lights draw 90%Vitrifrigo AC30 Q Evaporator Holding Plate Stainless Steel. Cooling systems with holding plate evaporators are an efficient solution for those cases where power is not always available. Holding plates are able to "store" the necessary cold to cool the refrigerated compartment during many hours when the power supply is lacking.