The CD300DW offers both wireless speed and cadence data through proprietary digital transmission. CatEye's exclusive speed/cadence sensor sends both data through a single coded transmission. The 3-window screen, displaying 4 lines of data, is lit up by CatEye's white LED backlight. The computer is held in front of the handlebar with a new, fully-adjustable center mount bracket. Lap and Split Timer (up to 50 laps). Lap Distance. Lap Average Cadence. Lap Average Speed. Current, Average, and Maximum Speed. Current, Average, and Maximum Cadence. Total Pedal Revolution. Elapsed Time. Total Time. Clock Time. Trip Distance. Total Distance. Second Elapsed Time. Second Trip Distance. Second Average Speed. Dual Tire Sizes A & B [100 to 3999 mm].