Interruptor fotoeléctricoTransparent Object Sensor with Built-in DC Amplifier Detects clear glass or plastic bottles, and transparent films with simple setup Fast, 1 ms maximum response time Choose PNP or NPN output models Light-on/dark-on operation, wire selectable Vertical and horizontal mounting styles Ready-to-use: prewired with 2 m (6.56 ft) cable, includes mounting bracket