Dual 120mm Quiet Fans Operates at 1200 RPM with only 20 dB noise, moving up to 47 CFM per fan for powerful yet silent cooling. ^^ Pre-Set Thermal Controller Automatically turns fans on/off based on temperature to protect sensitive electronics. ^^ Flexible Installation Mountable on any cabinet side (requires 11.25" x 5" cutout); fans can blow air in or out depending on your cooling needs. ^^ Universal Power Supply Included 110-240V AC to 12V DC adapter with 4 Pin Molex (500mA) ensures easy setup. ^^ Complete Kit Comes with grills, screws, cables, and fasteners for a ready-to-install solution.