6339 Style: With Height Rod Features: -Digital physician scale.-Available without height rod and with height rod.-Highest quality.-Streamlined design and slim shape.-Easy BMI calculation.-Heavy duty, all steel manufactured product for long lasting durability.-Spacious weighing platform with heavy steel base.-Single load cell.-Supports alkaline or NiCad rechargeable batteries and optional AC adapter.-Made in the U.S.A..-Capacity: 500 lbs x 0.2 lbs / 225 kg x 0.1 kg.-Height rod measures: 30" - 78".-Keyboard: Membrane type with 5 keys and 4 directional arrows.-6 "AA" size alkaline, NiCad or NiMH batteries (not included). Construction: -Painted steel construction. Specifications: -Optional 100 to 240 VAC 50/60Hz 12 VDC 1A wall plug-in UL/CSA listed AC power supply (not included). Dimensions: -Large 0.75" high LCD digits for easy visibility of weight and BMI readouts.-Platform size: 10.75" W x 14.75" D.-Scale height: 59".-Display: Six-digit, seven-segment, 0.75" high LCD.