Aluminum Alloy Entrance Tempered Glass Sliding Door Automatic sliding door can be used for single leaf automatic sliding door or bi-parting automatic sliding door. it can be also applied to framed or frameless glass door. With specially-designed 4.2m aluminium track and cover(standard length 4.2m, could be cut as per customer's need), low-noise round type brushless motor, non-digital or digital microcomputer controller, microwave induction sensors(German Innosent chip), optional remoter control device or function keypad switch, it is easy to install, debug, operate and maintain and able to meet various requirements of different automatic doors. There are three main methods for the operation of modern automatic doors: 1 Foot pedal type: a pressure switch is installed under the pedal. 2 Photoelectric beam type: A light beam emitting device and a photoelectric sensing device are disposed near t…