Seca 664 Digital WheelChair Scale with Wide Platform for Easy Access Seca 664 has one of the widest platforms available. Even bariatric chairs can be rolled on with ease. Load bearing capacity of 660 pounds with digital accuracy to .2 Lbs. Or 300 kg and accurate to 100 gm. Flat step on surface. Automatically lowered ramp for easy wheelchair access. Two ramps included. Weight Value Memory for Three Wheelchairs. Side rails for security. Quiet, digital accuracy. Durable. Integrated Pre-TARE function determines patient's net weight within seconds. HOLD function displays weight a few seconds longer even after patient leaves the scale. Large LCD and swiveling display at the wheelchair user's eye level both patient and staff read weight. Seca 664 folds up in a few easy steps. Transport castors for convenience in moving. Power Supply AC/UL adapter and rechargeable batteries.Product Dimensions 43.4 x 35.9 x 45.3 Platform Dimensions 29.9 x 2.2 x 36.6 . LCD Height 36 . Scale Weight 73.6 pounds. Optional SmartCard Station. Equip with a Smartcard station so several wheelchair weights can be stored and recognized then only patients' weight will be shown. Station automatically subtracts the individual wheelchair weight if a Smartcard is inserted. Smartcard can be kept on the wheelchair itself in a card holder. Using as many cards as you wish, it is then possible to take the different weights of different wheelchairs into account. One Year Manufacturer's Limited Warranty. NOTE This Seca Scales ships only via Truck. This item ships from a separate warehouse and may require extra time for delivery.