Product details:

The AE-5 ESC features include 3S LiPo capability, adjustable drag brake and it's waterproof Settings can be easily switched in the field between LiPo and NiMH battery types with a simple jumper no more complex procedures Jumper 1 provides a simple plug and play choice between LiPo or NiMH batteries Jumper 2 switches drag brake settings Waterproof design Includes Star style battery plug No on/off switch - power supplied by battery connection Laser etched heat sink* Always remember to disconnect the battery when vehicle is not in use.