Baumer Electric FPDM16P5101/S14 Retro reflective sensor - With polarization filter – Light/dark operate - Pulsed red LED - Size 50 mm (L) x 15.4 mm (W) x 50 mm (D) - [10 to 30 ] VDC – 36 mA – M12 connector – 4 pin - Wavelength 660 ƞm - Rectangular – Die cast zinc - Light indicator: LED