This accessory was designed to stop the overloadof EMF transmissions to your flight controller.

Add this piece of copper foil onto the MOSFET surface of your 4n1 ESC to fix any interference issues.

It is essential to trim the foil so that it cannot touch theMOSFETterminals.

Check out our othertools and building supplies!

Includes

• 1x Sticky EMF Blocker 4 Pack for 4in1 ESCs