Lamptron Hummer Fan Controller, Black 5 independant military style switches turn 12V devices (such as cooling fan and lighting) on or off Each channel is capable of controlling 100W power output CNC milled solid aluminium panel of up to 3/4", blue acrylics front panel insert, fits any standard 5.25" drive bay (5-7/8" x 1-5/8") 5 x 4-pin molex connector to fan or other 12V devices, 1 x 4-pin molex connector to power supply Black Panel