<B>WYPH TCRT5000 IR Barrier Line Track Sensor Infrared Reflective Photoelectric Switch Review</b><P>http://tinyurl.com/n37jvn4 <P><P> WYPH TCRT5000 IR Barrier Line Track Sensor Infrared Reflective Photoelectric Switch <P>Using infrared reflection sensors TCRT5000<P>The working voltage of 3.3V to 5V<P>Output form: digital switch output (0 and 1)<P>Has a fixed bolt hole, convenient installation 8, small board PCB size: 3.2cm x 1.4cm<P>Quantity: 2pcs<P>
