KARMA KP10.3CPT seat, base & battery quicklydetachable for easy storage and transportation. comes with captain seat controller can be easily switched for left or right hand usage adjustable seat arm rest and foot rest The Ergo Nimble (KP-10.3S) is an affordably priced, rear wheel drive, power wheelchair. It features the patented S-Ergo Seating System to promote a comfortable and good seating posture. The compact design makes it ideal for confined spaces and short distance travel.