Features: 12CM fan with ARGB technology enables colorful lighting effects and provides excellent cooling performances It also supports PWM temperature control to maintain stable operation. Desktop computer fan 12cm in size and fit in most computer case. Builtin ARGB light beads can be controlled via software motherboards synchronization, providing a variety of lighting and color option. Can be mounted on the front and rear fan positions of the computer case to provide powerful cooling effect and keep the computer hardware running stably. Specifications: Material:ABS Size：about 120x120x25mm/4.72x4.72x0.98in Support: PWM ARGB Power: DC12V 0.19A 4PIn Speed: 800-1800RPM Wind Capacity： 52.35CFm Color: Facing Black/Reverse Black/Facing White Quantity: 1PCS Package Includes: 1Set Computer Cooling Fan note: Due to the problem of lighting effect and shooting, there might be tolerances in product, please understand. Please allow 0-1cm error due to themanual measurment.