Infrared sensor with control circuit board.The sensitivity and holding time can be adjusted.Detecting Range: Approx. 7m / 23 feet.Detecting Angle: Less than 100 degrees.Working Voltage Range: DC 4.5V- 20V.Quiescent Current: Less than 50uA.Level Output Voltage: High 3V / Low 0V.Working Temperature: -15 to +70 degrees C.Trigger Method: L unrepeatable trigger / H repeatable trigger.Size:3.3cm x 2.5cm x 2.5cm.