PC Fan Cougar VORTEX HDB RGB COOLING KIT:This highly-effective PC fan adjusts the air circulation of your computer and adds the possibility of modifying the look of the PC case with the help of the LED backlighting. The Cougar VORTEX HDB RGB COOLING KIT will straightaway appeal to you with its original style, which is underlined by the RGB backlighting colour. If your PC has a transparent side wall, the Cougar VORTEX HDB RGB COOLING KIT is the perfect solution for you. The 120 mm fan size makes it simple to install in all standard computer cases. A key parameter is also the operating voltage, which in this case is 12 V. There is a total of 3 piece(s) of fans in this package. Cougar VORTEX HDB RGB COOLING KIT Computer Fan Key Features The airflow of 43,51 CFM is sufficient for reducing the temperature in your PC The unique style of the Cougar PC fan is highlighted by LED lighting This RGB backlight switches between red, green and blue This quality computer fan has special bearings for prolonged usage Operating voltage: 12 V The Cougar Fan Is Suitable for All Types of Computer Cases If you need to use the remote control to adjust the colour tones, you need to buy the manufacturers remote controller or software. In order to safely connect the Cougar VORTEX HDB RGB COOLING KIT, you also need a 4pin PWM connector.