Small light barriers, W16, WTB16I-24161120A00, Device type: Light sensors and light barriers, Switching distance min. / max.: 10 mm / 1,500 mm, Sensor principle: Reflection light sensor, Detection principle: Background suppression, Switching output: Push-pull: PNP / NPN, Connection type: M12 connector, 4-pin, Light transmitter: LED, Light type: Infrared light, Housing material: VISTAL®, Setting: Teach-in button, cable, potentiometer, push-turn element, Communication interface: IO-Link V1.1, Smart Sensor: Enhanced Sensing (basic logic), Efficient communication, Smart Task