Tech4O Discover GPS Heart Rate Watch GPS-Based Exercise Mode: (Speed, Distance, Calories, Pace, Altitude, Heading); Auto Data Log - 120 Log Memory, Heart Rate with 3 Default Target Zones and 1 User Settable Smart Lap Function, Auto Mark a Lap Based on Distance, Combine with Lap-to-Waypoint to Auto Map Your Route Waypoint Navigation, Create Up to 10 Paths with 99 Waypoints Each, Backtrack Digital Compass, 1 Degree Resolution, Directional Readout in 16 Cardinals and Bearing in Degrees, North Indicator, Declination Setting Dual-Time/Day/Date, Countdown Timer