6 Preinstalled LED colors allow you to change colors any time with a built-in color changing switch. Piling cap lights automatically come on at dusk, turn off at dawn, and provide 360° illumination for docking your boat or just dock safety at night. They are completely waterproof, made of durable UV resistant ABS and have a wildlife deterrent spike on top so they will look good for years. Installs easily in minutes and includes a rechargeable AAA Ni-Cad battery. Piling cap not included.

• Designed for salt and fresh water
• Up to 12 hours run time
• Replaceable, rechargeable AAA NiCD 1.2V battery