Roho Agility Max Contour Back System w Air & Lumbar Pad Suction Aspirators unit * AA rechargeable batteries 48750 unit * AA rechargeable batteries and AC power with charger stand sold separately * Memory for 72 hours of data storage * 3 Year Manufacturer's Warranty * Efficient 60 hrs of battery life * * Thick vinyl upholstery in US 393 Black standard with your choice of optional Bailey upholstery colors and either Natural or Dark Walnut wood finishes Includes:Back Shell Back Shell Hardware Back Cane Hardware Cover Foam Pad Air Insert Lateral Air Inserts Foam Insert Dual Wrench Lumbar Support Pad (select models) Repair Kit Hand Pump Product Registration Card Quick Set Up Guide and Operation Manual * Construction: Back Shell: Aluminum Back Shell Hardware: Zytel© with an aluminum Sliding Height Adjustment Bar Back Cane Hardware: Bracket and pins are aluminum * Pivoting Cane Band and Adjustment Cylinder are steel * Cover: Front side is 100% polyester Backside is 10 * Warranty: Back Shell & Hardware: 36 Month Limited Warranty * Air Insert: 18 Month Limited Warranty Cover & Foam: 18 Month Limited Warranty