Hydro Glow 200W LED Underwater Dock Light w/ Cord 50ft #39 Blue. With over 120 lumens per watt the SF200 will maximize underwater illumination promote energy efficiency and safe operation. The SF200 is designed to be anchored to the bottom at the desired location shining upward toward the surface. Each light comes with a 50' cord. Extra lengths are optional. The SF200 is perfect for creating great aesthetics around waterfront dining marking channels or a great look throughout the marina or private dock. Specifications for Hydro Glow 200W LED Underwater Dock Light w/ Cord: Manufacturer: Hydro Glow Light Type: Docking Bulb Type: LED Condition: New Package Contents: Hydro Glow 200W LED Underwater Dock Light w/ Cord Hydro Glow SF200B: 200W LED Underwater Dock Light w/ Cord 50ft #39 Blue