This controller is for all type 1/24 motors. The new larger heat sink is located in the handle for a compact design. It features a sensitivity rheostat, traction control and a 5 ohm brake. 30 band design features optional plug in networks for all 1/24 and 1/32 cars. It has long 14 gauge wire, ball bearing trigger, power and brake fuses. Positive polarity only - 162 ohm network is standard