Specifications include, but are not limited to: TRANSCEND Stair Chair w/ Powertraxx: Mfg. Part # 0731403, Quantity: 2, Unit Issue: EA, Product Specifications: • All metal frame construction. • 5-inch front swivel wheels and extra tall 8- inch rear wheels. • Two battery option: • Endura charge 36 volts • Milwaukee 28- volt lithium-ion battery. • Motorized tracks power chair up and down stairs. Positive locking hinge mechanism. • Built-in electronic speed control. • Patient seating surface and restraint straps. • Extended footrest and lower track angle. • 5 position lift bar and handles and rear lift handles. height (min) 36 inch/908mmm. • Dimensions: • Height (max) 60 inch/1518mm. • Width (overall) 20 inches 505mm. • Width (seat) 16 inches/408mm. • Depth (front to back) 30 inches. • Length (folded) 36 inches/912mm. • Width (folded) 20 inches/200mm. • Depth (folded) 7.9 inches/200mm. • Weight 51 lb./23.3kg.