Lots of appealing features have been integrated into this product such as remote control adjustment, RGB cool lights, fine workmanship, elastic and shockproof design, long service life, mute, low noise, large air volume, humanized cable design, easy installation, etc. With more air volume provided by the large fan blades, the cooling fan has a good heat dissipation effect and can cool your PC at a quick speed. Made of high-quality ABS, silicone and metal materials. It is durable and reliable for long-term use. The length of the case fan is 12cm, the width is 12cm and the height is 2.5cm. The length of the standard controller/upgraded controller is 9cm, the width is 4cm and the height is 2.5cm. It is suitable for computer case and can be used for home, office, etc. The upgraded controller has built-in microphone sensor, supports music rhythm induction and 5V 3-pin ARGB lights effects, while the standard controller does not. Item Name: Case Fan Material: Metal,Silicone,ABS Number of Blade: 9 Fan Speed: 1200±10 Percent RPM Fan Bearing: Hydraulic Bearing Air Volume: 35±10 Percent CFM Noise: 20±10 Percent dB(A) Number of Lamp Beads: 12Pcs Fan Interface Type: Small 6-pin (Controller Dedicated Interface) Controller Interface Type: 10 x Small 6-pin, 2 x 4-pin Life Span: about 40000 Hours Features: Large Air Volume, Quite, Long Service Life Size Details: Case Fan: 12cm x 12cm x 2.5cm/4.72" x 4.72" x 0.98" (Approx.) Standard/Upgraded Controller: 9cm x 4cm x 2.5cm/3.54" x 1.57" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Case Fan or 1 x Controller 1 x Remote Control