This is a 4-channel IR sensor array module which comes with 4 pairs of IR transmitter and receivers.

Features of IR Sensor Array Module

• Voltage: 3.3V - 5V
  
• Detection range: 1mm to 20 CM (adjustable)
• Output interface: 6 wire interface
• The output signal: TTL level (can be directly connected to I/0 microcontroller))