Blower cooling fan is mainly used for notebook computer motherboard, PC, GPU, CPU, video card VGA, 3D printer, speaker, etc. The blower cooling fan, is in size of: DC5V, 0.15A, 40mm x 40mm x 10mm/1.57-inch x 1.57-inch x 0.39-inch(L*W*H), 28cm/11-inch cable length, 2.4mm/0.09-inch mounting hole dia, 35mm/1.38-inch mounting hole center distance Low noise, the fan sound is very low, and the fan operates well; Easy to install, easy to use, can effectively dissipate heat, good repair replacement accessory Steps of installation: 1. Select the cooling fan with proper size; 2. Remove the cooling fan to be replaced; 3. Installation Please pay attention to selecting the cooling fan with proper size