RitchieSport Compass Features: Easy-to-Install on Windshield or Dash. Two-Sided, Self-Adhesive Mounting Pads Included. Reversible Bracket Adjusts through 300 degrees. 2" Direct-Reading, High Visibility Dials. 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. Comes standard with 12V lighting.