COMPUTER VDO X3DW WIRELESS WHITE/GREY Main Functions: Current speed Trip distance Total kilometers bike 1 / bike 2 / totals Ride time Total ride time bike 1 / bike 2 / totals Average speed Maximum speed Stopwatch Timer 1, timer 2 Timer 1+2 with up to 99 repetitions Countdown timer Time trial timer with variable distance Lap timer for 30 laps, time, distance, average per lap, start lap automatically or manually Navigator (2nd programable daily kilometer counter, counts forwards or backwards) Wake-up alarm, variable wake-up or reminder alarm Clock Digital wireless cadence add-on including transmitter, cadence magnet and 3V battery Digital wireless Water resistant