The WL-11720 navigation light is a single all round white light typically installed for morse/maneuvering signaling, and as additional visual indication of sound signals.
Durable polycarbonate housing
Plastic Fresnel Lens
Minimum visibility 3 nm, 5nm as maneuvering light, 6nm as masthead light
MED/IMO/BSH/USCG/CCS Approved for vessels over 20 Meters in length