RitchieSport Compass Features: 2? (51 mm) Direct-Reading, High Visibility Dials Two-Sided, Self-Adhesive Mounting Pads Included Reversible Bracket allows a mounting range of over 300 degrees from overhead, through angled and vertical mounts to horizontal surfaces These mounting position options and your choice of mounting hardware permit mounting on everything from windshield or supporting frame structures, to slanted dashboards and consoles, to almost any flat, angled or vertical surface Internal Green Night Lighting High Temp Composite Construction for Extended Operating Range Hardened Steel Pivot and Sapphire Jewel Movement Built-in Compensators Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 5 oz. (142g) Notes: Comes standard with 12v Green LED lighting. For all X-10's built between 1991 and 1999 use the part number RS-0004 XSP for replacement lighting.