... Door Automation Slim profile, big power motor, PLC techniques,Visiable screen adjustment,anti-thief lock,Safety sensor Slimline Sliding Door Automation ... clamping personAuto-reversing when confronting with obstacle.UPS when power fails to provide escaping passageIn case of emergency , ... help of advanced synchronous belt and perfect design of power supply circuit , the door moves very stably.Panasonic ...