12V mini fan with protection cover for cooling ESC | VESC

Product Spec: 12V , 0.6A max Fan Size: 5x5x2cm Screw hole diameter: 4mm Cable length: 5cm from the edge of fan case Shipping comes: Fan *1 Protection cover*1 Screws Without Heatsink :  M3*28mm Srews*4 for single ubox 75v  100A controller  Or M3*25mm Screws for single ubox 100V 100A controller With Heatsink:  M3*35mm screw*4 for both single ubox 100V 100A controller and single Ubox 75v 100A contoller. No screws coming for other Model Take single UBox 100v VESC motor controller for example: Only lock the heatsink Lock both fan and heatsink in single ubox 100v VESC motor controller How does it work to cool a VESC? How is wired in Ubox V2? Refer to this blog to get detail instruction step by step