CM-SR2525 is a dual type slot sensor that can be wired for NPN or PNP switching. Housed in an aluminum casing, it has a wide activation frequency up to 7 KHZ. This sensor can be set to recognize variance in colors, application where the emitter should be able to burn through the collector for optimum performance. Can be used as an encoder, for feedback and counting application. Separate 5-meter cable part number CBL-4AEL is not included with this unit.