... motor, PLC techniques,Visiable screen adjustment,anti-thief lock Automatic Glass Door Sectional Drawing,Intelligence,a)controlled by the microcomputer digital chips ... controller1set1 receiver,2 transmitter , 4Radar2pcsBEA,24.125HzTwoMechanism1Track1pc3mm thickness2Carriage4 setsGalvanized and adjustable3Tooth belt1pcfiberglass tensile,nylon surface, 7m 4Belt clip2pcs 5Tension pulley1pcDurable ...