CATCH I is an "eye muscle training device" that addresses the concerns of modern Japanese people who overuse their eyes. It's a training machine that uses unique EMS (low-frequency) technology to train the extraocular muscles and orbicularis oculi muscles for all modern people who strain their eyes. With purely domestic technology, you can feel a change in your vision in just 30 minutes. This is a great deal, including 6 sets of dedicated pads. There are no noticeable scratches. There is no box or dedicated multi-beauty gel. You can use it without any problems. Please purchase if you understand this.