Baumer FVDK 10N5101 Fiber Optic Sensor, Pulsed Red LED, 10-30VDC, 160mm Actual Range Sb, 45mm Sensing Distance Tw, Potentiometer 270°, NPN, Light/Dark Operate, 2m Cable, 27 x 10.4 x 14mm (HWD), Plastic ASA Housing, -25 to +55°C, IP40 $294.00 Select