SODIAL(R) Big K LED ball compass Boat compass Marine Compass Compass Compass Navigation white Lighted pivot compass, wired for 12 Volt red illumination, with adjustable mounting bracket Corrosion-resistant, waterproof, durable and long lasting Height: 140 mm (H) x 110 mm (W) x 80mm (D) Suitable for water vehicles, boats, caravans and trucks