uxcell Desktop Front Panel 3.5" Temperature 4 Fans Controller Product Name : PC Temperature Fan Speed Controller;Material : Aluminum-Magnesium Alloy;Installation Location : 3.5" Drive Bay Power Interface : 4 Pin Connector (Male+Female);Fan Interface : 3.0 4 Pin(4pcs);Display Color : Blue Led Light Cable Length : 40cm / 16";Max Power : 30W;Adjust Speed Range : 5-12V Max.Current : 2.8A;Size : 10.5x10 x 2.5cm/ 4.1" x 3.9" x 1" (L*W*H) Net Weight : 89g;Package : 1 x PC Temperature Fan Controller,4 x Screws