Lalizas’ sport power boat navigation lights are compact and streamlined to follow fit comfortably with all boats. Material: The lenses are made of tough polycarbonate with nylon fibre mix housing and stainless internal components for added strength. Housing: Available in black and white housing. Installation: Bi-colour and masthead lights are available for horizontal and vertical mounting. They are fixed through the base with two or more screws, and the housing is clipped on. Their round shape is less likely to snag with other fittings or ropes. Visible distance: Port - Starboard - Bicolor: 1nm / Stern - Masthead: 2nm Contacts: Brass. Bulb (included): 12V / 10W.