DCC CONTROL BOX with TURNOUT DECODER - N, HO, On30, AND O Scale. This control box with turnout decoder allows you to upgrade your electrically operated analog turnouts to DCC quickly and easily. With a turnout decoder installed inside the control box, you can simply replace your analog switch box to upgrade. Once connected, you can assign a decoder address and operate the turnout through you DCC system. Compatible with N, HO, On30, and O scales.