WANGCL Sky Blue RC Motor Heat Sink with Cooling Fan for 540 550 Brush 3650 3660 Brushless Car Crawler JST Plug

Application:This mini radiator is used for RC car motors to prevent overheating and damage to the motor. Compatibility:Suitable for 540 550 brush motor and 3650 3660 brushless motor , suitable for motor diameter - 36MM. Strong thermal dissipation:Equipped with a 5V cooling fan to protect the motor from overheating in real time. High quality material:High quality aluminum alloy heat sink, light weight, strong heat dissipation performance, long service life. Parameters:Voltage rating -5V-7.2V,Operating current -0.12A,Fan speed -5.0V 7000rpm / 7.4V 10000rpm.