This listing is for a Siemens Inductive Proximity Switch 
Model: 3SG3201-3AJ33

Specifications:
Brand: Siemens 
Type: Inductive Proximity Switch 
Condition: Used
Voltage: 24VDC
Operating Distance: 2 mm
Switching Output: 1 NO + 1 NC
Current Rating: 50 mA
Connection: 4-Terminal
Mounting Style: DIN Rail
Made in Germany
Weight: 5 OZ

This item is exactly as pictured.