RitchieSport CompassFeatures: Easy-to-Install on Windshield or Dash Two-Sided, Self-Adhesive Mounting Pads Included 2" Direct-Reading, High Visibility Dials Reversible Bracket allows a mounting range of over 300° 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 Color: Gray Exclusive 5-Year Ritchie Warranty Notes: Comes standard with 12 volt lighting.For all X-10's built before the year 2000 please see the service manual page 1-2 or contact Ritchie for replacement lighting. Specifications: Backlight: Yes Mounting Style: Bracket Read: Front Box Dimensions: 4"H x 4"W x 5"L WT: 0.3 lbs UPC: 010342170606 Quick Guide (pdf)Owner's Manual (pdf)