It can handle voltages higher than 20v but may not cover all 12v racing cars. Dealer and direct web site sales. Mattel HO Slot Car Power Pack & 2 Hotwheels Controllers The system is designed to run in conjunction with your pc, and scorpius software programs help you. Wireless ho slot car controller . Ninco n10411 xlot electronic controller. A range of up to 49.2 ft. Controller oxigen w/ timing box. Scalextric c8333 spark plug wireless dongle. Professional grade transistorized ho slot car controller. Here is a working mockup of an effective wireless remote controller for an ho slot car track. The big boys of the slot car world, including carrera, brm etc. The most important reason for choosing a difalco controller is our 50 years in slot racing and 30 years manufacturing controllers! You may opt out at a later date and have a right at. This is all you have to control your car, so making the right choice can make a big difference. The new line of ds ele...