Skmei 1512 Sport Watch for Active LifestylesAll weather durability Built to withstand sweat, rain, and bumps, the rugged case and reinforced strap keep the watch working through tough workouts so you can train without worrying about damage. Multi function timing tools Stopwatch, countdown, dual time and alarm features help you measure intervals, stay on schedule, and coordinate training sessions for more effective, goal oriented workouts. Long lasting battery life Extended battery performance