Apex Medical Sedens 500- Alternating Pressure Seat Cushion with Portable Pump - Lower Back & Butt Pain Relief- Fits Wheelchair, Office Chair, Driver Seat - Battery Embedded for Ultimate Portability

[Pressure & Pain Relief from Prolonged Sitting]: Sedens 500 is your essential solution for pain relief caused by prolonged sitting on wheelchair, mobility aids, office chair, car & truck driver seat. Alternating air cells redistribute weight, providing maximum comfort while reducing pressure on the coccyx / tailbone. [Battery Operated Pump] Rechargeable powerful battery provides up to 12 hours operation to make your travel easy & comfortable, all day covered. The compact size pump with carry bag allows you to take it everywhere you need, with peace of mind. [Dual Therapy & Customizable Firmness] System can operate in 2 modes to fulfill individual needs. Alternating mode for pressure redistribution and static mode for general use. Variable pressure setting based on your weight and personal preference. [Safety and Maximum Comfort] Visual & audible alarm of low pressure and low battery increase safety. 4-way stretch cover is fluid resistant, low shear force, vapor permeable to protect skin from friction and moisture. Dimension: 17" x 17" x 4". Weight Capacity: 260 lbs. [Apex Medical Guarantee] 1 year guarantee on cushion and pump.