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/FPV/Quadcopter/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.