Garmin Charging Cradle for Forerunner 205 and 305 Training data: Can display training time, pace, distance, lap pace, lap time, lap distance, average pace, elevation and calories and much more Customizable: Choose the workout data you want screens: to see while you train Lap history: Automatically records up to 1000 laps; stores approximately two years of data. Download histories to your PC using included software Watch features: Dual time, date, alarm Plugs into computer USB port. Automatically sends and receives workout data when Forerunner 405 is within range, approximately 3 meters