Kayaker XP-99W Surface Mount CompassKayaker Compass Features:Features: CourseMinder Movable Bezel with Heading Memory Indicator Remembers the Way... So you don"t have to! 2 3/4" Direct-Reading Dial Low Mounted Height Surface Mount Easily Installed. Extended Temperature Operating Range with Composite Construction & Diaphragm Exclusive DirectiveForce Magnets Hardened Steel Pivot and Sapphire Jewel Movement No Wiring or Power Needed Twist On/Off for Easy Removal for Security, Transport & Storage Exclusive 5-Year Ritchie Warranty