Whitecap 4° Rectangular Base - 316 Stainless Steel - 3-1/2" x 3" - 11901 Waterproof Uniforms High Visibility & Safety: This

High Visibility & Safety: This light provides a 2 nautical mile (2NM) visibility range

The Apollo Marine Zone Amplifier is designed to work with both 12-volt and 24-volt electrical systems

Microphone adjustments to the gain allow for better control over the mic sensitivity

Sealing: Apply a small amount of marine-grade silicone or sealant in the screw holes before fastening to prevent water from wicking into the fiberglass core

Whitecap 4° Rectangular Base - 316 Stainless Steel - 3-1/2" x 3" - 11901 Waterproof Uniforms High Visibility & Safety: This4 Rectangular Base Tube Outer Diameter: 1" Base: 3 1 2" x 3" Fastener: 1 4"(4) Material: 304 Stainless Steel * With 1 4 28 set screws, Part 6249