The PR5MEC00 is a low carbon steel adapter designed to attach the Teltonika router to a DIN rail. Two Philips Pan head screws are included. To attach the adapter to the device, find the groove for attaching the adapter on the bottom of the device. Then line up the smaller holes in the middle of the DIN rail adapter with the groove on the device and secure the adapter with two self-tapping screws. The adapter is suitable for use with RUT2xx, RUT3xx, RUT9xx, RUTXxx, TRB1xx, TRM2xx and TSW1xx series.