GL-R series safety light curtain is built from a 3 mm thick extruded aluminum body with a narrow, 9 mm wide recessed lens surface, sealed to meet IP65 and IP67 ratings. One-line wiring system allows the transmitter to be connected in series directly to the receiver for power and synchronization purposes. Smart features include edge-to-edge detection, built-in muting and blanking, visible indicators, quick disconnect cable options and monitoring software.