MP 401EWORLD’S STRONGEST ELECTRONIC MEASURING WHEELThe MP401E is Keson’s only electronic wheel with a steel frame. It is the world’s sturdiest electronic measuring wheeland the easiest and most comfortable to use. It will stand up to the harshest conditions.Our easy-to-read digital counter is in the most protected spot on the wheel. With the handle up, it is nearlyimpossible for the counter to come into contact with the ground. With the handle down, the roll bar offers solidprotection. Counter requires 2 AA batteries (not included). Backlit 7 Digit LCD display for low-light usage. Up to99,999 feet, 11 inches or 99,999.9 in tenths and metric