Introductions:

The Adjustable Infrared Sensor Switch is a set of transmitter and receiver in one of the photoelectric switch sensor. The detection distance can be adjusted according to the demand. The sensor has a detection range of 3cm-80cm. The switching signal output differs in accordance to the obstacles. It remains high when no obstacles and remains low when there are obstacles.
It is small, easy to use/assemble, inexpensive. Useful for robot, interactive media, industrial assembly line, etc.

Specification:

Power supply: 5V
Current:100mA
Range: 3-80cm adjustable
Red: +5V
Yellow:Signal
Green:GND