72 L x 27 W x 21-34 Ht Range Backrest 38 L x 27 W Features an adjustable pneumatic backrest which is accessible from either side Easy-clean ABS plastic enclosed lift Electric power height adjustment with foot control Ultra-strong uni-frame base and top construction Heavy duty all welded lift mechanism Durable gray powder-coated steel frame Self-lubricating pivot points Smooth 110 volt electric height adjustment Hands-free low voltage foot control Easy service self contained electrical components Seamless rounded corner upholstered top 2 (5 cm) ultra-firm padding Low height may help acheive ADA tax credit Made in the USA 450 lbs. (204.11 kg) load capacity under normal use 5 year limited warranty