The OPB608A is a through-hole mounting Reflective Object Sensor is designed for applications with reflective distances between 0.050 and 0.375-inch, 0.05 and 1.5-inch. All of these are designed for light patterns not visible to the human eye. By utilizing the night enhancement function of a camera, the near infrared light pattern can be seen. This allows an user to see the pattern shining on the reflective object.