gdstime 120mm ac 110v 220v dc 12v powered fan with speed control, for receiver amplifier dvr playstation xbox component cooling gdstime <b>product description</b><br> <br> this variable speed cooling fan contains long life dual ball bearings, the fans can be positioned to stand upright or laid flat to cool various electronics and components. average running 50,000 hours (at 25°c) of cotinual use. the fan connector is 5.5x2.1mm dc female jack, compatiable with power adapter 5.5x2.5mm dc male plug. comes a variable speed controller. includes one metal protective grill and four bolts and nuts. the speed controller can be powered by plugged into the ac outlet. this fan system is ce and rohs certified.<br> <br> <b>speed controller</b><br> the fan includes avariable speed controller with power switch to set the fan’s speed to optimal noise and airflow levels for various environments. 100v to 240v 50/60hz input, dc 3v to 12v 2a output. fan wire has 0.75ft, power adapter has 7.7ft, so you can place the fan up to 8.45ft away from the power outlet.<br> <br> <b>applications</b><br> this 120mm cooling fan is popular in a variety of electronics and components; perfect for projects that requires cooling or ventilation; such as receivers, dvrs, video game consoles, modems, computers, amplifiers, and other audio-video equipment. or as a replacement fan for various products.<br>