Baumer O500.SP-PV1T.72CU/T003 SmartReflect Light Barrier, 10-30VDC, 60-600mm Background Position Side, Pulsed PinPoint LED, 630 nm, PNP, qTeach/1-Step Teach-In, Light/Dark Operate, 2m 4-Pin Cable, Plastic Housing, PMMA Optics, 45 x 18 x 32mm (HWD), -25 to 60°C Operating $259.00 Select