Lake Lite, Ll-Sdl-Deck-R Marine Grade Solar Deck Light Package contains 1 solar dock/deck light - 18 hour run time - 8-10 lumens High end solar deck/ dock lights are equipped with four super bright LED's and a powerful solar panel to provide all night illumination. Marine-Grade Solar Deck Lights are an industrial strength solar powered dock light made from anodized aluminum for superior protection. Low profile design - Built in reflector for added safety Resistant to salt water and harsh sun exposure and IP 68 Water-Proof design