The PR5MEC11 Compact DIN Rail Mounting Kit includes a plastic adapter measuring 2.76" x 0.98" x 0.57" and two Phillips pan head screws. It allows you to easily mount various Teltonika devices onto 1.4-inch DIN rails within control cabinets and equipment enclosures. Compatible models include the RUT241, RUT951, RUT956, RUTM50, RUTX11, TSW100, TSW110, TSW200, and TSW210.