Description: LED Solar Dock Lites - Anodized Aluminum with Replacement Batteries Wireless and Easy to install, bright white LEDs convert sunlight into energy. Light up your walkway and dock with these low profile and durable Solar Dock Lites. For attachment to a wood dock, fasten Dock Lites with 2 Stainless Steel Screws, Phillips head #10 x 1" For a concrete dock, fasten Dock Lites with clear silicone sealant or adhesive. Attachment hardware sold seperately. Weight: 6 oz.