3 inch Fan: Can be applied in the voltage range of 9V - 24V, enjoy the quiet environment with low noise. Ideal for home theater and bedrooms. Trust its reliability for your cooling needs 24v Fan: Good for cool PC components, UPS, rack, amplifier, greenhouse, camper fridge, 24v cooling fan for truck?small office electronics?cool down the LED light fixture?box ventation, industrial machinery, arcade systems, and more DC Cooling Fan: Efficiently cool your devices with this high-performance 24 volt fan. 80mm 24v fan for CNC machines, wood stoves, 3D printers, boat fridge, Led stage lights,plasma cutting rig and more Easy Installation: 2Pin Connecter Compatible with various devices and easy to install. In some cases, they are not ready for use out of the box. You can DIY cut off the Connecter and re-solder them Powerful Cooling: 80mm x 80mm x 25mm / 3.15x3.15x0.98 in. per fan?Rated Voltage:24V 0.1A; Speed: 2500RPM; Air flow: 40CFM; Noise:27dBA; 2 Piece 24 v fan include fan grill and mounting screws & nuts