Mast Head All Around Light 360 Degree Navigation White Cover Boat Marine 12V PART NUMBER 11.142.16 RINA type-approved in compliance with COLREG72 standards. Suitable for vessels up to 12 metres. Powered by a small high intensity 5W halogen bulb for very compact size, minimum heat and low current draw. 2-screw mounting. Black Mast Head Light 1 x 360 degree white light White Polycarbonate Casing Dimensions: 52 mm diameter x 80 mm high 12V Halogen bulb included