Retro reflective sensor - With polarization filter – Light/dark operate - Pulsed red LED - Size 35 mm (L) x 12.4 mm (W) x 35 mm (D) - [10 to 30 ] VDC – 35 mA – M8 connector – 4 pin - Wavelength 660 ƞm - Rectangular – Die cast zinc - Light indicator: LED y