Feature:1.Computer chassis cpu fan speed controller.2.It can control up to four fan speed, simple operation, good cooling effect.3.Humanized noise reduction design can effectively reduce the fan noise.Specifications:1.Product name:Temperature Controller2.Material: Plastics3.Size: 10x9.5x2.5cm/3.93"x3.74"x0.98"4.Power: 10W5.Output voltage: 5V-11V6.Input voltage: 5V-11V7.Installation location: Floppy drive of chassis8.Luminous colors: Blue9.Power supply interface:Large 4P male + female10.Fan connector:3.0 4pin11.Cable length: 40cm/15.7"12.Maximum output current:2.8VPackage Include:1x Temperature Controller1x Manual1x Warranty card4x Screws