Miniature light barriers, W4S-3 Inox Glass, WLG4SC-3P2432VA00, switching distance max.: 0 m ... 5 m, sensor principle: reflection light barrier, detection principle: autocollimation, switching output: PNP, switching type: light/dark switching, connection type: M12 connector, 4-pin, light transmitter: PinPoint LED, setting: teach-in button, communication interface: IO-Link, Smart Sensor: Enhanced Sensing (basic logic), efficient communication, diagnostics