Top-of-the-line performance for powerboats and sailboats under any conditions. The large, 4-1/2" apparent size PowerDamp dial on flat card models is easy to read and rock steady. Precision works are protected by fiberglass-reinforced, high-impact composite cases. The binnacle-mount model is housed in brushed stainless steel. All feature PowerDamp cards, sapphire jewels and pivots, internal gimbal, built-in compensator magnets, 45 lubberlines, dual 12V DC night lighting and movable sun shields. Apparent Card Dia.: 4-1/2" Case Material: Reinforced polymer Lubberlines: 45, 0 Clinometer: BN-202 only Lighting: 12V Cover: Sold separately Warranty: Five years