1.The fan covers are made of aluminum alloy, with good thermal conductivity, CNC machining, beautiful and durable;
2.The 4028 double ball cooling fan has super strong wind,and the rotation speed can reach 20000 rpm, which makes it have excellent heat dissipation effect;
3.Power supply 8-12V,It can be powered by the equipped 2S and 3S lipo balance connector,with a circuit breaker, which can be closed when not in use.When the power supply is 12V, the power supply current is 1A;
4.DIY matching and installation can be done by yourself, suitable for 1/10 1/8 1/5 RC cars such as arrma;
5.Package includes:4028 Fan*2, Metal Fan Cover*1 Set,Screw*1 Set