The item available here is a new old stock Omron proximity switch.  It comes as shown in new condition in the original sealed packaging.

It has not been tested and comes with a 30 day return policy from the date the item was shipped, EXCEPT INTERNATIONAL SHIPPING.  Postage is not covered.

Here's the specs:

Part No: E2E-X20MD1S

Items will be paid for immediately and will be shipped using USPS or UPS.

International shipments are accepted, but NO RETURN policy when shipped outside of the USA and Canada.

Items sold for over $300 will typically have signature confirmation added to the shipment, but at no extra cost to you.

Location: O4-GB