Small size and lightweight, easy to install and remove.Quality material and exquisite workmanship, this cooling fan is durable for long time use.It has perfect dissipation effect which can effectively prevent the esc from overheat.The can reach up to 32000RPM.Designed for RC model car ESC. Specification: Material: Aluminium PlasticInput Voltage: 5-8.45VMax. RPM: 32000Cable Length: Approx. 50mmSuitable RC Car Scale: 1/10 , 1/8 OR 1/12ESC connector: ZH1.5-2PFriendly reminder: the wiring has positive and negative levels, and the wrong connection will not work. Size Chart: Size: 25x25x10mm / 0.98x0.98x0.39inch Package Includes: 1 Piece RC Cooling Fan : Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measuring deviation due to manual measurement.