Boat House Solar Add-On Light is a great way to expand your existing Boat House Solar Lighting Kit. Illuminate your boat house for those evening boat rides with additional LED lighting units for more plentiful light. The water-proof Boat House Solar Add-On Light is designed to attach to any boat house structure and provides bright light for safe loading and unloading. Installation of the light system is quick and simple. This add-on lighting unit includes a high-powered 10 watt LED module, over 16 feet of quick-connect wiring, and a Y-connector.