uxcell E30-R4NA 6-36VDC NPN NO 3 Wires 1-4m Sensor Photoelectric Switch w Reflector Product Name : Photoelectric Switch w Reflector;Sending Light : Infrared Rays;Model : E30-R4NA;Detection Way : Retroreflective Type Output Type : NPN NO 3 Wires;Working Voltage : 6-36VDC;Output Current : 300mA;Sensory Distance : 1-4m Detected object Type : Non-Transparent;Head Dia. : 29mm / 1.1";Mounting Thread Dia. : 30mm / 1.2";Body Size(Approx) : 9.1 x 3.9cm / 3.6" x 1.6" (L*D Max) Cable Length(Approx) : 1.2m / 47";Reflector Size : 6.5 x 4 x 0.8cm / 2.6" x 1.6" x 0.3"(L*W*T);External Material : Plastic ABS Main Color : Blue, Black;Weight : 132g;Package Content : 1 x Photoelectric Switch w Reflector