【Good DIY Cooling Solution】Dual 120mm fans work great for DIY cooling fan or as an additional cooling fan for your gaming needs. Such as X-box, PS4, Receivers, Amplifier, Video Card, LED Lights , Wi-Fi Modern, Sound System, PC, Plant/ Mushroom Growing or any other application where an exhaust fan is overkill. 【Variable Speed with AC Plug】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. 【Adjustable Wind】 We have taken into account your various needs, the fan can rotate speed from 1800rpm to 3000rpm, providing the most suitable wind to quickly cool your devices down. You can get just the right airflow with the lowest noise. 【Powerful Cooling 】You can push or pull air by adjusting the front and back of the fan, with both exhaust and intake options, making it ideal for window fans or other home environments where exhaust is needed, such as the kitchen, as a desktop fan or as a small box. 【Dual-Ball bearings】With a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright. Double Protective, the fan is equipped with double protective net, which can prevent foreign matters from getting involved and protect the normal operation of the fan blades.