Features: * Made of high quality materials, durable * 97mm blower is suitable for projects that require cooling or ventilation with limited clearance; Widely used in car, AV cabinet, stove, outdoor grill and more. * With a 4v to 12v variable speed controller allows you to set the fan speed to the optimal noise and airflow level for a variety of applications and noise environments. * Power supply input 100V to 240V AC; Allows you to power the fan through an electrical socket; 7.7 feet long power supply enough to meet your requirements. Specifications: Input: AC 100-240V 50/60HZ Output: DC 12V 2A Size: approx. 97x97x3mm/3.82x3.82x1.30w Standard voltage: 12V Electric current: 2.85A Speed: 5500rpm Package content: 1 x Fan Blower 1 x Speed Controller 1 x Air Outlet Note: 1. The real color of the item may be slightly different from the website images caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.