1Stable Base: Boat stern light features a stainless steel base and aluminum pole, ensuring stability and resistance to breakage even in rough sea conditions. 22NM Visibility: With 33 LED lamp beads, anchor light provides a visibility range of over 2 nautical miles and operates at a wide voltage range of 12?24V, making it suitable for use in marine environments. 3Durable Materials: Constructed with a 316 stainless steel base, rust resistant aluminum pole, and a Pc lamp shade, allowing for long term use in high humidity environments. 4IP66 Waterproof: Designed with a waterproof ring, the anchor light is fully protected against dust and can withstand impacts from heavy waves or intense water spray. 5Wide Application: Boat stern light offers 360 degree illumination, enhancing safety for nighttime boating. Suitable for yachts, speedboats, and various other watercraft.