YO230Y Brake setting: on/off. Low current protection. Auto detect function. Use for all brushless motors. Amp rating: 30A. Burst Rate (10sec): 40A. BEC Output: 5.0V/2A. Voltage: DC 5.6V-16.8V (2-3 cells Li-po /4-10 cells NiCd). Weight: 27g. Package Details Weight: 42.80 g Size: 14*8.4*2.2 cm Package Includes 1 × 30A Brushless Speed Controller BEC