The product is an Allen Bradley AB 1747-L551 Ser C SLC 500 5/05 16K Controller FW13. It is a PLC processor designed for industrial automation and motion control systems. The unit is part of the SLC 500 controller platform and is manufactured by Allen-Bradley, a well-known brand in the industry. With a model number of 1747-L551, this controller offers reliable and efficient automation capabilities for various industrial applications.

**Unit shown in the images is the exact unit that will be received. Unit is missing the front cover plate.**