The Thermaltake Riing Duo 14 RGB Plus Radiator PWM Fan in a 3 pack features 120mm fan diameter and multi-color fan light color. Designed as case fans, these fans are manufactured in China by Thermaltake, a reputable brand in the computer components and parts industry. The RGB lighting enhances the look of the fans, making them not only functional but also visually appealing for computer enthusiasts looking to customize their setup.