Photoelectric sensors, H18 Sure Sense, HTB18-A3A2BF, Device version: Standard, Communication interface: -, Mounting system type: M18, head/side (24.1 … 25.4 mm), Sensor/ detection principle: Photoelectric proximity sensor, Background suppression, Sensing range: 300 mm, Light source, light type: PinPoint LED, visible red light, Voltage type: DC, Switching output Q1: PNP, Dark switching, Switching output Q2: NPN, Dark switching, Potentiometer, right: Sensing range, Potentiometer, left: On delay, adjustable: 0 ... 2 s, Connection type: Male connector M8, 4-pin