X-23BB RitchieSport Compass - Dash Mount - Black/Black. Features: 2" (5.08cm) direct reading dial; easily installed, fits standard 2-1/16" (5.50 cm) instrument hole; view adjusts up to 30 degrees; scientifically matched sapphire jewel & hardened steel pivot dial movement; exclusive built-in Green NiteVu lighting; high-temperature composite construction for extended operating range; DirectiveForce magnets; exclusive 5-year Ritchie warranty. Backlight: Yes. Lubber Lines: Yes. Mounting Style: Dash. Read: Front. Approx. Shipping Weight: 5 oz (142 g). Rainforest listing notes product dimensions 5" L x 4" W and item weight 6.88 ounces. Includes portable special feature and dashboard mounting option.