All Genesis designs features a thin multi-conductor cable between the handle and the new smaller heatsink/transistor assembly. This results in a light weight and comfortable handle. Wide range sensitivity rheostat with 100 ohm brake rheostat are standard. Ball bearing trigger. Reverse polarity and auto reset electronic brake and power fuse protected. A 40 amp relay with 12 ga. wire handles full power to the car. Dual polarity and brake/off/coast features available. All relay models must be hooked up to a brake post (3 wire operation only). All controllers feature our 30 band design that provides excellent speed control in the turns. Optional plug in resistor networks allow the racer to tweak the power curve to best match your type motor, track and driving style. Comes standard with a 290 ohm resistor network that controls most H.O. cars. THIS IS THE TOP OF THE LINE BEST OF THE BEST HO SLOT CAR CONTROLLER