Electronic speed variator for \"brushless\" carbon electric motor. Programming by radio control or \"progbox\" available separately. Food by battery Nicd/Nimh or Lipo/Li-ion/Life.\nAutomatic engine cut at the end of the battery to continue ordering the radio. Variator of the beak, that is to say that it feeds the receiver on the propulsion battery. Function front / reverse for use on car or boat. Protection against over-intensities. 4mm golden sockets. Intensity: 42a (55amax). 6 to 18 NICD/NIMH elements. 2 to 6 LIPO elements. BEC: 5V/2A min. Dimensions: 67x26x10mm. Weight: 45g.