This is a VERIFONE REAR SPOILER designed for the IDTech MET137-002-01-A part. It serves as a protective and potentially aesthetic accessory for the MX915 payment terminal.
This rear spoiler helps to shield the back of the device from minor impacts and may also contribute to a more finished look.
MET137-002-01-A - Idtech VERIFONE REAR SPOILER MX915