All Round White Light/Anchor Navigation Lamp- Incandescent - 2nm - Black Housing - 12VBSH approved, saltwater resistant and non-magnetic, they feature a bayonet lock on the lamp housing for easy bulb change.Designed for permanent installation or hoisting up masts.Specifications: Material Description: UV and impact resistant plastic housing and lens; Minimum Visible Distance: 2 Nautical Mile; Bulb: 12V / 25W BAY15d included; Installation: Horizontal surface mount; Cable Entry: Through base plate with rubber grommet; Degree of Protection: IP 55; Approvals: IMO Col Reg 72, USCG, ABYC A-16, Maritime NZ; - cis2:mm5mnJlm -Specifications: Housing: Black; Lens Color: White; Visible Range (Miles): 2nm; Voltage - Input Range (Volts): 12v; LED: No; Box Dimensions: 4"H x 6"W x 8"L WT: 0.7 lbs; UPC: 9002920131551;