YO060X Brushless 30A ESC speed controller for helicopters. Working current: 30A. Weight: 31g. Size: 55*25*11mm. BEC Mode: Switch Mode BEC (Output current): 5.5V 4A. PWM: 8KHz. Lipo-Battery (Cell): 2-4 LIXX， 6-12 NiXX， 5-16.8.V.   Package Details Weight: 28.89 g Size: 16*8*1 cm Package Includes 1 × Brushless 30A ESC for Helicopters