2x HAWKING ESC 30A Brushless Motor Speed Controller +

2x HAWKING ESC 30A Brushless Motor Speed Controller ltems : 30A Weight : 28g Dimensions : 45.0*24.0*9.0mm Current(A) : 30-40 BEC : 3A PWM: N/A Li-Po : 2-3 Ni-Mh/Ni-cd : 4-10Ni-Mh Features: BEC: 3A Constant current 30A Max 40A <10s Li-Poly 2-3 cells; Ni-MH 4-10 cells Auto Detect Break On/Off; Auto Low battery Slow down at 3.0V/cell Lipo, cut-off at 2.9V/cell Lipo 15.00