This infrared proximity sensor It has an adjustable range from 1cm to 80cm and a digital output with indicating LED. 

Specifications

• Supply Voltage: 5VDC
• Supply Current: 25mA
• Max Current: 100mA
• Response time: < 2ms 
• Detection range from 5-80 cm adjustable
• Pointing angle: ≤ 15 ° 
• Type: NPN
• Dimensions :  D= 17 mm - L= 69 mm 
• Lead length: 1 m
• Working environment temperature: -25℃+55℃
• Case Material: Plastic

​Wiring

Brown wire:  DC voltage supply (5 V)

Blue wire: Ground

Black wire: output signal