Single or double sliding door on a rail moving direction of the opening gap on the hanging mechanism called door automatic photocell sliding door panels customization.profile toothed belt wheels ray photocell doors, automatic door motors and who will turn the signal from the sensing element motion to the command processor or central processing unit(electronic circuit can learn) in other words, the motherboard, etc. on includes electronic circuits.XDOOR photocell doors has been continuously developed in the field of production among manufacturers in the sector.