OZONE make OZOM-11N door with movement sensor, Close loop micro processor servo controller, DC reversible brush less electric motor with drive pulley, main terminal connection plate, main power supply plate with transformer, drive return pulley, stabilizing middle pulley, self stabilizing and self cleaning door hanger, 4.2 M bi-parting engine case with S.S.rail for vibration and noise free travel of the door plus cover and timing belt, with multi function switch, floor guide and rail to hold glass with necessary nuts, screws etc complete.