Functional principle Photoelectric proximity sensor Functional principle detail Background suppression Dimensions (W x H x D) 12.2 mm x 50 mm x 23.6 mm Housing design (light emission) Rectangular Mounting hole M3 Sensing range max. 20 mm ... 350 mm 1) Sensing range 20 mm ... 200 mm 2) Type of light Visible red light Light source PinPoint LED 3) Light spot size (distance) Ø 4.5 mm (75 mm) Wave length 650 nm Adjustment Potentiometer, 5 turns