This Professor Motor Electronic Controller PMTR2120 is perfect for slot car hobbyists who want an affordable yet reliable option. Use it for your 1/32 scale Scalextric, Carrera, Ninco, Monogram cars or HO scale ones. Whether you're a beginner or an intermediate slot car racer, this controller will enhance your racing experience. It operates at a voltage range of 12 to 15 volts with positive polarity, and comes with a 16 - gauge PVC insulated wire harness and nickel - plated alligator clips.