Can serve as a wheelchair scale as well as a handrail or stand-on scale. Folds and rolls effortlessly on four casters. Unfolds with built-in hydraulic assistance, and two latches hold the indicator mast firmly in place. The large, low-profile platform accommodates bariatric wheelchairs. Features a tare memory function that can store and recall the weights of up to ten different wheelchairs. The Weight Lock feature allows an accurate weight to be held regardless of a patient's motion. The Reweigh feature allows a second weight to be acquired while the patient remains on the platform. Optional USB and RS-232 communications options allow the recording of a patient's weight and BMI value into a PC based Excel spreadsheet with the optional Excelerator software. Patient data can also be sent to an optional printer or EMR system. 1000 lb. maximum capacity. BMI calculator. Six AA batteries . One-year battery life. Optional AC adapter. Aluminum and painted steel construction with plastic trim. Three-year warranty.