Physician Scale w/Height Rod,14-1/4"x22"x54-3/4",500lb.,Cap. Digital Physician Eye-level Scale with height rod features 500 lb. weighing capacity with 0.2 lb. increments, largest low-profile platform in its class (14 1/4" x 14 1/4") and user-friendly interface. 170 degree swivel display with easy-read 1" LCD accommodates operators of all sizes. BMI (easy scroll method), Hold/Release, Zero, KG/LB, Clear and Enter functions. Auto-Zero, 5 minute auto-off (AC mode disabled), low battery indicator. Wheels and handle for maximum portability. Silent-Slide Height Rod measures 24"-84" x 1/8". Updatable firmware. 2 RS232 output ports. Powered by size C cell batteries (sold separately) or 120V AC adapter (included).