Wathai Big Airflow 2 x 120mm 240mm Computer Fan with AC Plug Cabinet Fan 110V 240V AC Power Supply, Speed Controller 3V to 12V, for Mining Machine Chassis Server Workstation Cooling

240mm Fan: Designed for cooling small space electronics components kit, pc external, chassis, cerver, corkstation, CPU GPU gaming computer case, greenhouse, mushroom, growing tent ,rv refrigerator and window fan exhaust etc Variable Speed with AC Plug: 110V-220V Fan power supply with speed control function, turn the knob to adjust the speed, 3V - 12V adjustable fan speed，and can turn off the fan . | Input: 100V - 240V 50/60Hz | Output: DC 3-12V 200-2000ma Dual-Ball: bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright. Double Metal Protective, the fan is equipped with double metal protective net, which can prevent foreign matters from getting involved and protect the normal operation of the fan blades 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 Fan Detial: 120x120x25mm / 4.72in(L) x 4.72in(W) x 1in(H) in per fan. Totally Size: 9.45in(L) x 4.72in(W) x 1in(H) | Rated Voltage :12V | Rated Current: 0.5A | Airflow: (85CFM)x2c Speed: 2500 RPM