4x 120mm Variable-Speed Cooling Pad with AC Plug — DIY Cooler for Router, TV Box, Gaming & Electronics

Four 120mm fans mounted on a compact pad offer a practical cooling upgrade for DIY projects and electronics. The wire is long enough and it works well with a usb battery or power bank, and the unit can also be powered from household mains via its AC plug. Added metal grills between units enhance protection and airflow direction. Variable speed control lets you dial in the exact airflow you need: Range of control in fan speed is 3v to 12v | INPUT: AC 100V - 240V 50/60Hz | Rated Current: 2.0A. The speed selection switch is very durable and provides fine tuning — completely adjustable from off to full blast. A great supplemental cooler for router, cabinet, x-box, SSD, Modem, DVR, Receiver, Streaming boxes, Security Camera NVR, android box, stereo, T-Mobile gateway. Designed to deliver a good balance of quiet operation and effective airflow, it moves enough air even at low speed to keep electronics cool.