This Telemecanique XXZPB100 teach button accessory can be used with Telemecanique ultrasonic sensors that have an adjustable detection window (sold separately). The pushbutton control assists in adjusting the detection window when the sensor is in teach mode. This accessory has an M12 female connector input and an M12 male connector output. Founded over 90 years ago, Telemecanique Sensors is an independent brand of Schneider Electric, specializing in sensors and sensor-related technology. Telemecanique Sensors is a global player, present in more than 20 countries, with products distributed worldwide through a broad network of partners. Focused on 3 core values – Simplicity, Proximity and Expertise – we are experts in factory automation sensors as well as specialists in demanding applications, making our customers' lives "simply easy! "