Small size, suitable for small FPV carriers. MOS has low internal resistance and low heat generation, and can also be used in large carriers. AM32 firmware, after enabling sine wave startup and Stall Protection, has high low-speed torque and is suitable for climbing cars, like real cars. The same volume BEC has the strongest BEC current output capability, with a continuous 5V 4A or 7V 3.5A output The time traveling machine can also be used to enjoy a smooth experience by flashing the hf32 firmware (defined by tekko 32f421). Built in 5V/7.4V 4.5A/3.5A BEC, RC car model available.<br><br>Specifications Hign-concerned Chemical:None Recommend Age:14+y Use:Vehicles & Remote Control Toys (The product appearance and printed words depending on the batch, but this does not affect use) Colour: As Shown Material: PCB<br><br>Package Contents: 1 set x ESC<br><br>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.