HIGH-PERFORMANCE LIGHT: LED Anchor Light - Feature a Super Bright BAY15D LED Type. Working Voltage: 12V DC DURABLE MARINE GRADE MATERIALS: Design of Solid Marine Grade Polycarbonate Traditional and Robust Housing. The polycarbonate housing is shock-resistant, non-corrosive, non-magnetic, and seawater resistant. Waterproof: IP 65 EASY INSTALLATION: This Anchor navigation light features, simplified wiring installation, and a compact design. Easy to install and no special switch is required WIDE APPLICATION: This Navigation Light helps you and other boaters have secure night navigation. 2 NM Visibility. Functions: Anchor Light. Perfect for use on any size sailing boats MEASUREMENTS: Base Diameter: 2 7/8 Inch (73mm), Height: 4 1/2 Inch (114mm), Distance Between Mounting Holes: 2 1/8 (54mm). Pre-wired Red and Black Cord, Certificate CE, and RoHS. Horizontal Surface - Mast Top Installation. Mounting Hardware: 2 Pre-drilled Mounting Holes FIVE OCEANS, 40 Years developing High-Quality Marine & Outdoor Products HIGH-PERFORMANCE LIGHT: LED Anchor Light - Feature a Super Bright BAY15D LED Type. Working Voltage: 12V DC. DURABLE MARINE GRADE MATERIALS: Design of Solid Marine Grade Polycarbonate Traditional and Robust Housing. The polycarbonate housing is shock-resistant, non-corrosive, non-magnetic, and seawater resistant. Waterproof: IP 65. EASY INSTALLATION: This Anchor navigation light features, simplified wiring installation, and a compact design. Easy to install and no special switch is required. WIDE APPLICATION: This Navigation Light helps you and other boaters have secure night navigation. 2 NM Visibility. Functions: Anchor Light. Perfect for use on any size sailing boats. MEASUREMENTS: Base Diameter: 2 7/8 Inch (73mm), Height: 4 1/2 Inch (114mm), Distance Between Mounting Holes: 2 1/8 (54mm). Pre-wired Red and Black Cord, Certificate CE, and RoHS. Horizontal Surface - Mast Top Installation. Mounting Hardware: 2 Pre-drilled Mounting Holes. PRODUCT NUMBER: 4683