This hand control is used on Med Lift & Mobility lift chairs and other manufacturers with separate controls for the back footrest and the up & down functions of the chair. It has a 90 degree plug with five (5) pins. It has two buttons at the top to adjust the back two buttons below that to adjust the footrest and then the two up & down buttons at the bottom. If the number on the back of your control starts with 11880 then this will be the correct part. Any questions please let us know.