DESCRIPTION: The Venture SR-2 is designed primarily for sailboats 16 ft. (4.88m) to 36 ft (10.68m) in length; Features Include: 3 3/4" (9.35 cm) CombiDial; 12V green LED Night Lighting; 4 5/8" (118 mm) to 4 13/16" (122 mm) mounting hole.; Vertical Mounting Angle Through 40 Degrees; Steady Quick Lock-On Performance. FEATURES: Card Graduations: 5.0 Degrees; Compensators: N/A; Back lighting: 12 Volt Dc; Body colour: Black; Card colour: Blue; Card style: Conical; Card size: 94mm. DIMENSIONS: Height: 164mm; Width: 164mm; Panel Hole: 120mm; Depth below Panel: 64mm.