This scale only weighs 30 lbs. Simply tilt the scale back on the two built-in, non-marking wheels and roll the scale to its new destination. The non-skid surface on the large low-profile base and the ergonomically designed handrails have been designed with the safety of unsteady patients in mind. The Touchless Start feature acquires a patient's weight in as little as two seconds without any buttons to press. The Weight Lock feature allows an accurate weight to be held regardless of patient's motion. The Reweight 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 o an optional printer or EMR system. 1000 lb. maximum capacity. BMI calculator. Six AA batteries . One-year battery life. Aluminum and painted steel construction with plastic trim. Three-year warranty.