[Perfectly Replacement] Replace old lights and fit completely, Just make sure your boat has these type of lights to begin with. [Completely Sealed] Waterproof LED stern light with build -in Pre-fitted tight sealed gasket. Plug-in angle Base comes with a snap -in cover to keep in clean and dry when not in use. [Bright Lights] Stern lights for boats are equipped with 2 NM visibility lights bright enough to be seen from the other boats. [Easy Installation] Boat stern light has 2 wires connection. Fixing light and base on boat. [Tips For Installation] Measure to lights will fit in your specific area. Fix 2 pieces screws and base on boat. the black wire connect the negative. the red wire connect the positive. Open base cover. Install boat pole light into base with locking collar tightly. [] Plug-in angled base with existing 2 hole desiging for making water to overflow Boat stern light pole with base and locking case High quality stainless steel tube can extend rear boat light service . Type:Stern Light Anchor Lamp LED Marine Boat Lights 10-24VDC White 4000-4500K, 360 Visibility 2NM, for bosts up to 20m/65.6ft Base type:Plug in mount Colour:Black & White Material:Stainless steel+Plastic Package Contents: 1 * Stern Light Anchor Lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.