Specifications include, but are not limited to: TRANSCEND STAIR CHAIR WITH POWERTRAXX FERNO MODEL #0731403 OR EQUAL , 4.00 EA; All metal frame construction. 5 inch front swivel wheels and extra tall 8-inch rear wheels. Two battery option endura charge 36 volts or the 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. height (max) 60 inch/1518mm. with (overall) 20 inches 505mm. with (seat) 16 inches/408mm. depth (front to back) 30 inches. Length (folded) 36 inches/912mm. Width (folded) 20 inches/200mm. Weight 51 lb./23.3kg. Depth (folded) 7.9 inches/200mm. Load limit 550 lbs.