Signal Mate's 3NM Combination 225 Masthead/Steaming Light and 360 All-Round White LED Anchor Light is used for powerboats, sailboats and commercial vessels up to 65' (20m).This light is small but robust, featuring latest technology high-brightness LEDs. It is USCG-certified, satisfies requirements of COL REG 72, and is RoHs compliant. It reflects unique innovations in design and fabrication that limit or eliminate substances dangerous to the environment without sacrificing performance or durability. Constant brightness over the full operating range of 10V to 30V DC ensures the light will meet or exceed nautical mile requirements if the battery voltage drops. Active & passive RF filtering to prevent radio interference. Reverse polarity-protected, surge-protected, waterproof and vibration-proof. Includes bracket.Specifications: Visibility: 3 NM Voltage range: 10 to 30 VDC Current draw: 0.160A @ 12V Wiring: 2 1/2' UV outdoor 20 AWG wire Dimensions: 3 3/4"H x 1 1/2" Dia. Construction: Hard anodized aluminum, polycarbonate lens Mounting: 1/4- 20 female threads at bottom of light for mounting (optional brackets) Environment: Waterproof, submersible Weight: 8.0 oz. Certifications: USCG 3NM, ABYC-A16, COLREGS '72 Warranty: 5 years