This instrument comes with dual digital display measures speeds from 5 mph to over 125 mph. the unique tilting head folds flat for storage. Water resistant display can be used in heavy rain. Multi-function display, in mph or km/h. Display current speed average or Max speed at the same time. Comforable Vinyl handle. 3-cup rotor does not care which way the unit is pointed (unlike those little ones that must be pointed into the wind!).