High quality brushless BEC Excellent output ability of continues current of 40A Premium material made, stable and reliable Durable, Speed Controller, 40A, Universal Perfect speed controller for RC or FPV or Quadcopter or RC Airplanes and others Type:40A Brushless Without BEC (long wire) Output Continuous Current:40A Output Short Time Current:55A (No Less than 10 Seconds) Power Input:2-4S BEC Output:5V 3A (Stable Linear Mode) Maximum Speed:2-pole Motor 210000rpm, 6-role Motor 70000rpm, 12-pole Motor 35000rpm Depending on the production batch, the color of the 40A character silkscreen on the product may be different, which does not affect the use. Colour:As Shown Material:plasticandMetal Package Contents: 1 x electronic governor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.