Fulton Battery Operated Portable Stern Light 'C' Clamp Mount. Will also clamp onto gunwale of some aluminum boats. Features a 2-1/2 inch diameter clear reflective lens. The 25 inch aluminum pole has an adjustable 'C' clamp for fast easy mounting or removal from seat or transom. Operates on two D-Cell flashlight batteries (not included). This unit is ideal for rental boats for night-time use. This light is portable. Features of Fulton 48PWR-CL Battery Operated Portable Stern Light 'C' Clamp Mount Clamps onto transom of boat or to boat seat Will also clamp onto gunwale of some aluminum boats C' clamp model for fast easy mounting or removal from seat or transom 25 inch aluminum pole Operates on two D-Cell flashlight batteries (not included) Package Contents: Fulton 48PWR-CL Battery Operated Portable Stern Light 'C' Clamp Mount Fulton 48PWR-CL: Battery Operated Portable Stern Light 'C' Clamp Mount