DIY Aluminum Alloy Cooling Fin For ESC Transimittervs 25x18x5mm RC Drone FPV Racing Multi Rotor

DIY Cooling Fin For 5.8G Transmitter ESC Aluminium Alloy 25x18x5mm Description: Item name: cooling fin Material: aluminium alloy Color: red Weight: 2.4g Size: 25x18x5mm The black part is electrically conductive silicone. Usage: for transmitter, ESC etc. electronics. Package included: 1 x cooling fin