Omron Inductive Proximity Sensor 
E2E-X1R5E1 

E2E Series
Current, Consumption : 13 mA (Max.)
Current, Switching : 200 mA
Frequency, Switching : 2 kHz
Voltage, Supply : 24 VDC
Voltage, Switching : 3 V

New surplus, not in original packaging, excellent condition and fully guaranteed for 30 days.