The AiM Memory Key (Part No. MC-315) is a great invention, but many AiM data logger installations make the CAN port totally inaccessible. The CAN Extension Port allows you to locate a CAN port in a more convenient location so you can have quick and easy access to your Memory Key. Male 5-pin 712 CAN connector on one end of the 14" (35cm) long cable plugs into the CAN port on your data logger or into your Data Hub. The other end has a female 5-pin 712 CAN port and a mounting lug for a 1/4" (6mm) diameter bolt (not included). Memory Key sold separately.