Reliable and effective for both walking and running. Features include: Time mode - 12/24hr format. Step mode - step counter, distance travelled and calories burnt. Body fat analyser. Step counter up to 99,999 steps. Distance display in both miles or km up to 99,999 with 0.001km (or mile) resolution. Calorie consumption can display up to 9,999.9kcal with 0.1 calorie resolution. Weight, height and stride can be adjusted by user. Size (H)6, (W)6, (D)3cm. Manufacturer's 2 year guarantee.