Photoelectric sensors, H18 Sure Sense, HL18-N4A3BA, Device version: Standard, Communication interface: -, Mounting system type: M18, head/side (24.1 … 25.4 mm), Sensor/ detection principle: Photoelectric retro-reflective sensor, With minimum distance to reflector (dual lens system), Sensing range: 6.5 m, Light source, light type: PinPoint LED, visible red light, Voltage type: DC, Switching output Q1: NPN, Light switching, Switching output Q2: NPN, Dark switching, Potentiometer, right: None, Potentiometer, left: None, Connection type: Male connector M12, 4-pin