Big Airflow 240mm Computer Fan with Speed Controller Zirsso AC 110V 120V 220V 240V Variable Speed Fan for Mining Machine Cabinet Chassis Server Workstation Cooling
2x 120mm fans powered by a wall-wart. it's really easy to adjust their speed with a knob. it works great for DIY fan or as an additional cooling fan for your gaming needs, such as plant cabinet, RV refrigerator, X-box, ps4, Amplifier, kitchen window, server, humidifier, mushroom growing, sound system, etc
The variable speed fan is great for cooling electronic components. This is especially true when components are used in a cabinet with limited air flow to help cooling. By having variable speed, you can adjust the speed for proper cooling with the least fan noise from the circulating air. And you can Plug in a wall outlet to use
Adjustable Wind: We have taken into account your various needs, the fan can rotate speed from 900rpm to 3000rpm, providing the most suitable wind to quickly cool your devices down. You can get just the right airflow with the lowest noise
It can be used as small window fan to exhaust and intake; Increased air circulation in crawlspace, basement, attic, and garage; or as exhaust fans for enclosed server cabinets, DIY media rack project, small smoking corner, gaming cabinet
You will get a finished Rack Cooling Fan(dual 120mm fans are bound together), 1x Speed Controller, 4x Install Screws, 4x Rubber feet