This is the Cooling Fan from Muchmore Racing for Electronic Speed Controls. FEATURES: Dissipates heat and extends life of ESC during operation Micro Black 2-pin Connector YOU WILL RECEIVE: Cooling Fan from Muchmore Racing for Electronic Speed Controls REQUIREMENTS: Installation on ESC SPECIFICATIONS: Length: 0.98" (25mm) Width: 0.98" (25mm) Thickness: 0.42" (10.8mm) jxs 5/28/08 ir/jxs &