PMTR2137 Professor Motor 35 Ohm Resistor Controller w/RJ Plug
Professor Motor 35 Ohm Resistor Controller - Includes 16 gage 42" PVC insulated wire harness with RJ Plug. Features electronic self resetting circuit breaker to protect against accidental misconnect.
This controller is NOT polarity sensitive - Recommended Applications : Stock or mildly tuned RTR Cars (1/32 Scalextric, Carrera, Ninco, Monogram, etc.), stock to moderate tuned HO
Here is a review of the controller by Harry Wise from Home Racing World.
PM 35 Ohm 1/32 Resistor Controller Review
Easily upgraded with a rotary pot to provide adjustable variable braking performance