This rack mount cooling unit with 4 fan with temperature control is designed for applications that requires high volume cooling inside server or net work cabinets. The built-in sensor alarm feature will allow the user to control the max temperature inside cabinet. It also has a built-in sensor fault alarm. It mounts to compatible top panels of server cabinet to provide a maximum airflow in your mission critical server systems. Size: W14.8" X D10.8"X H2.5" Fan Size: W4.75XD4.75"XH1.5" Center Screw holes distance: 13.75"x9.75" Bearing: Sleeve Bearing. CFM: 220. Noise level(from 42-48dBA) Temperature Range: 0C-50C Current: 0.3A Power: 110V 50Hz/60Hz Warranty: 5 Year.