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 25x18x5mmDescription Item name cooling fin Material aluminium alloyColor redWeight 2 4gSize 25x18x5mmThe black part is electrically conductive silicone Usage for transmitter ESC etc electronics Package included 1 x cooling fin