Digital Wheelchair Dual Ramp Scale with Folding Ramps and Pelstar Wireless Technology, Capacity: 1000 lbs/454 kg, Resolution: 0.2 lb/0.1kg, Platform Dimension: 32ÃÂÃÂÃÂü”W x 36”D, Ramp Size: 32ÃÂÃÂÃÂü”W x 9 7/8”D, (4) Wheels, 120V Adapter (included) or (6) AA Batteri