TOOGOO(R) Obstacle Prevention Sensor Infrared tracking sensor for Arduino toy smart vehicle black

This adaptive sensor in ambient light, high precision, a few infrared transmitters and receivers, transmitter tubes emits a specific infrared frequency.
If the direction of an obstacle (reflector) is detected, the receivers of reflected infrared receiver tube.
When the indicator is, through the circuit, the digital interface of the output signal.
Output lights that can be detected to be adjusted by means of the potentiometer button to adjust the distance