Portable anchor light - $35 includes shipping.
Low consumption (0.110A) portable waterproof anchor or cockpit light with a built-in photo cell that automatically senses dusk and dawn.
Utility Mega Light
Suspends easily from boom, awning or grabrail. Includes a dual-function fresnel lens, automatic switching on at dusk and off at dawn, and two bayonet-style lamps: a high-efficiency 0.110A lamp that's visible 2nm and a 0.320A bright light. Includes a heavy-duty 15' cord, 12V lighter plug.