Rugged, fast-performing sport compasses have fully-adjustable mounts with a range of over 300¡for use on ski boats, runabouts, bass boats, cars, trucks and RV's. 2 1/2" direct reading dials featureeasy-to-read graphics, 12V green night lighting and built-in compensators to correct for deviation.A high-impact rubber accent strip around the compass prevents damage. Apparent Card Dia.: 2 1/4" Card Type: Direct Mounting Style: Surface orreversible bracket Case Material: Reinforced polymer Lubberlines: Yes Clinometer: No Lighting: Yes Cover/Shield: No Warranty: Five years