Dock Edge Postlite Solar LED Post Light 2PK Powerful solar charging performance 6 possible colors to choose from Change colors with a flip of a switch Easy twist-on lid with large rubber seal 360 Degree lenticular light diffusing lens and domed reflector maximize light output Installs easily with no wires Universal fittings for 1-5/8", 1-7/8", 2-3/8", Brock Post and 3-1/4" ID posts, universal flat surfaces; Product Specifications: Part No.: 96-258-F Description: PostLite, Solar, LED White, (2pk); - cis2:mm5mnJlm -Owner's Manual (pdf)