 |  |  Nike Lance Armstrong 4
Ascent and descent rates : Tracks total elevation gained or lost
Battery hatch on back plate : Easy battery replacement
Dual-layer display : Displays multiple information levels in Compass and Timer mode
Extra-loud alarm : Resonance chamber amplifies alarm for use in noisy outdoor environments
Solid titanium case : Durable, sport utility
Strap-keeper post : Locks down strap to prevent flapping
Patented Zero Drift technology : Provides extremely accurate altitude information, virtually eliminates barometric drift
Real-time Digital compass : Constantly updates direction as you move
Nike Electrolite : One-touch backlighting
Mineral glass crystal : Scratch resistant
Polyurethane strap construction : Durable, resists cracking and breaking
Stainless steel buckle and back plate : Enhanced durability
Water resistant to 100 meters
Face Diameter : 48mm (1.9")
Face Depth : 16mm (0.6")
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