This remote control is compatible with the Elite 3D massage chair or 3D Elite massage chair. It features 16 buttons and features a red plastic plug. If the model number of your massage chair is Elite 3D or 3D Elite, and your original remote controller looks identical, this remote controller will fit your chair seamlessly. The remote controller new. Compatibility: This remote control can only be compatible with the Elite 3D or 3D Elite massage chair. If the model number of your massage chair is different, it will not work on your chair, please do not purchase it. There might be different versions of the Elite 3D or 3D Elite massage chairs, each requiring a specific remote control. To ensure compatibility, your existing remote control must match this one exactly. If they differ, this remote control will not work on your chair, and you should not place an order. Warning: This remote is not returnable under any circumstances, if you are only buying it for testing purpose, please do not buy it. This remote control can only be compatible with the Elite 3D or 3D Elite massage chair. If the model number of your massage chair is different, it will not work on your chair, please do not purchase it. There are so many factors that can cause a massage chair to malfunction. For example: remote controller, fuse, circuit board, transformer, sensors, cables, etc. If the problem is not caused by the remote control, replacing the remote control will not solve the problem (and this doesn’t mean the remote control is defective). We strongly recommend having a professional technician to do a trouble shooting for you before purchasing the remote controller.