Electronic speed variator for \"brushless\" carbon electric motor. Programming by the radio control or by the OCP-1 programmer available separately. Food by Nicd/Nimh or Lipo battery. Automatic engine cut at the end of the battery to continue ordering the radio. Function front / brake / reverse for use on plane. Protection against sur-charts, control losses and involuntary starts. Intensity: 100a (150a max). 14 to 36 NICD/NIMH elements. 4 to 12 LIPO elements. Weight: 124g.