Circuitron Tortoise slow motion N Scale or HO switch machines rank high in technology and design. These switch machines have a precision gear-drive mechanism, a microcurrent draw motor which safely stalls out. Circuitron Tortoise switch machines provide simple mounting, auxiliary contacts, and other auxiliary contacts for led signal operations. The Hare, a DCC Specialties product is a switch machine accessory for the Tortoise switch machine. The Hare provides derailment control, automatic switch machine movement to avoid derailments, signal activation, programming of HO switch machines to activate in groups or individually, as well as many other features. Lenz LS150 switch modules, provide for six individual HO switch machine operation.The Cobalt slow motion switch machine is a compact and multi functional turnout machine that is almost half the size of the well known tortice machine, able to fit into small spaces.