An affordable entry into the world of DCC, this set is designed with the small layout in mind, but can easily grow if your railroad expands. Ideal for single or multiple operators, up to 10 additional throttles/operators can be accommodated. All-in-one unit incorporates throttle, command station and booster into an easy-to-use DCC controller. The Zephyr provides 128-step speed control, easy access to 10 functions that can be used for a multitude of special effects including sound (functions 0 through 8), constant brightness headlight on/off, direction control, access to four-digit addresses and turnout control. Set includes Zephyr DCS50 and power supply, decoder test kit, Zephyr Users Manual and Digitrax Decoder Users Manual. No decoder is included with this set, giving you the freedom to choose from Digitrax wide variety of DCC decoders to fit your needs (decoders sold separately).