Description Features: – Boost up the motor cooling fan air flow up to ~40~50%, in turn can lower down the motor temperature obviously which is good for stock motor(10.5T~21.5T) racing – Made of Aluminum casing with better appearance – Suit for most 1S or 2S Brushless Speed Control BEC output Specifications: -Max Voltage Input: 8V battery -Dimension: ~24.2(L) x 13.2(W)x 6.2(H) mm – Weight: ~4.5g
