Your key may look slightly different to the ones shown in the picture but will work just fine.
Drive Medical Envoy 4 Mobility Scooter Batteries x 2 LSLC34-12 X 2
Drive Devilbiss Enigma Aluminim Transit Folding Wheelchair with 18 Inch Seat Width
Drive Devilbiss Silver Sport Wheelchair Folding Travel Chair Transit Wheel Chair Mobility Aid Transport
Drive Devilbiss Black Sport Self Propel Folding Wheelchair with 24" Mag Wheels
Drive Devilbiss Lightweight Dual Wheel PowerStroll with Reverse to Convert Manual to Electric Wheelchair
Drive Devilbiss LAWC007A 17 Inch Ultra Lightweight Aluminium Self Propel Wheelchair