Hobbypower 320a Three Mode Brushed Speed Controller ESC Regulator for 1/10 Rc Car Crawler T Plug This esc is Three Drive Mode design, turn the mode switch to get the mode as you want, and also it can work with Lipo battery or Nimh battery Suit for 1/10 RC car and RC boat Input 2-3S Lipo or 6-9 NiMH battery