GPS high-sensitivity receiver. Distance current / tatal in miles or kilometers. Pace / speed current / average in mph or kph. 5 interval timers set invidual training timers. Calories burned current / total in Kcal. Data storage 100 lap memory. El backlight soft glow for low light conditions. 30m water resistant. Case Height: 44mm. Case Width: 44mm. Case Depth: 16mm. Strap Width: 20mm.