The DCC Digital Central 8A + Throttle Control 15A+Z21 Multi Mouse Set No Radio is a comprehensive and advanced control system for model trains. It allows for precise and efficient control of up to 8 locomotives with a maximum output of 8 amps, as well as 15 amps for accessories. The Z21 Multi Mouse adds convenience and flexibility, allowing for control of multiple locomotives at once. This set does not require a radio, making it a cost-effective option for model train enthusiasts. With its digital capabilities, this control system offers a wide range of features such as speed control, direction change, and sound effects. It is compatible with a variety of DCC decoders and can be easily integrated into existing model train layouts. The DCC Digital Central 8A + Throttle Control 15A+Z21 Multi Mouse Set No Radio is a must-have for any serious model train collector looking for a reliable and efficient control system.