Replaces HSF304DA/HSF304DN 4 Button 5 Pin Switch with USB & Backlit. 4 Button if your switch has the

if your switch has the same model

and a round 5 pin plug connects to the remote controller

The extension cable connects between the remote controller and the chair is included

it controls the backrest raise/recline

Replaces HSF304DA/HSF304DN 4 Button 5 Pin Switch with USB & Backlit. 4 Button if your switch has theThis switch features four buttons and uses a round male five pin plug, it can replace the HSF304DA and HSF304DN. Compatibility: This switch can replace the HSF304DA and HSF304DN. However, the function of the buttons might be reversed with your existing switch due to potential internal wire sequence difference. This is not the genuine HSF304DA or HSF304DN switch, but a third party switch with similar configuration. Features Four buttons: suitable for