Feature: High quality brushless BEC replacement parts Excellent output ability of continues current of 40A Premium material made, stable and reliable Durable, Speed Controller, 40A, Universal for Ideal speed controller for RC/FPV/Quadcopter/RC Airplanes and others Specifications: Type: 40A Brushless Without BEC (long wire) Material: Plastic Output Continuous Current: 40A Output Short for Time Current: 55A (No Less than 10 Seconds) Power Input: 2-4S Lipo BEC Output: 5V 3A (Stable Linear Mode) Maximum Speed: 2-pole Motor 210000rpm, 6-role Motor 70000rpm, 12-pole Motor 35000rpm Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 1 x 40A Brushless BEC