PD300DHR Style: Digital Height Rod Features: -Doctor scale.-Available in digital height rod, mechanical height rod and without height rod.-Built in wheels for fast transport.-View weight in lbs or kg.-Adjustable locking feet and a bubble level for weighing on any surface.-Selectable sleep mode (up to 9 minutes) and selectable auto shutoff (up to 9 minutes).-Heavy duty scale base for assurance when weighing.-Capacity: 550 lbs.-Function keys: Zero, lock / release, units, store / recall, BMI / height / enter, on / off.-Digital height rod measurements: 43" - 79".-Mechanical height rod measurements: 30" - 78". Includes: -Includes four patient / family member weight memory recalls. Specifications: -Power: 6 "AA" alkaline batteries (not included) or optional 9V AC / DC power adapter (not included). Dimensions: -48" High, comfort height display for easy viewing of measurements.-Display: Five digit, seven segment, 1" high LCD.-DHR cable length: 35".-Base dimensions: 3.33" H x 12.5" W x 13" D.-Overall dimensions: 48" H x 12.5" W x 16.5" D.