For attachment on inflatables or other surfaces where screws cannot be used. Attaches with universal C-clamps. Stern lights have clear lens, bow lights have red/green lens. Feature krypton bulbs that burn bright and last long. Constructed of rugged high-impact plastic with thumb switch on-off. Contemporary gray with black bezel. 8 1/8" long X 2 7/8" diameter. Uses two "D" cell batteries (not included).