Product description Size: 3 x 120mm PWM Our Prisma al series a RGB fans allow your system to truly shine. Six hub-mounted addressable RGB LEDs work in harmony with a white Semi-opaque outer ring and fan blades to produce a beautifully uniform glow across the fan's entire surface.. prisma AL-12/14 allows precision software control, enabling Prisma to Synergize perfectly with your components. If you prefer physical control, just pair Prisma with the newly released adjust R1 controller to set Colors, brightness, and motion effects with the push of a button.pwm control with a wide speed range ideal for CPU heatsinks and radiators.trip wire Technology introduces a micro-turbulent layer for enhanced blade efficiency.lls (long life Sleeve) bearings provide silent Operation with a long lifespan. 3 years warranty is Active from the point of purchase.