... 3.Super smooth and accurate throttle linearity ESC 85A,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controllerfor HelicopterWires ... pack Red and Black wires respectively. Specification:TypeCont.Current(A)Burst Current (A) 10 sec.Battery cellNiXX/LipoWeight(g)BECOutputSize (mm)W ... SIDE OF ESC85A SBEC IN THE PACKAGE ESC 85A,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controller