The PWM computer cooling fan is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical PWM computer cooling fan. Features -Color: Black -Material: ABS -Size: 12.00X12.00X1.50cm/4.72X4.72X0.59in Fan speed: 500-1600 10% Rated voltage: 7v Rated : 0.16±10%a Rated power: 1.92w : 53.6CFM Wind pressure: 1.81mmH20 Noise: 13.8-30.2db (A) - The use of PWM intelligent temperature control technology allows automatically adjust the speed according to the CPU temperature detected by the motherboard. - Used for water cooling. High wind pressure quickly takes the heat of water discharge and keeps the water temperature lower. - Suitable for computer chassis, power supply fan, water cooling auxiliary, CPU, and other device heat dissipation. - Large fan , scientific and practical design, give you a good experience. - It is manufactured with technology to ensure the high- of the product and can work for a long time. Package list: 1 x fan 8 x screws