Zhouyqx Men's As Shown 12V 3A Variable Speed Controller For Cooling Fan Exhaust Blower Motors With 5.5X2.1mm Connectors 140Cm Wiring Led Power

ZHOUYQX

❀ Adjustable 12V 3A dimmer switches with 5.5x2.1mm connectors precise speed control for cooling fan, blowers, and exhaust systems. ❀ Features 140cm total wire length (18cm input/115cm output), blue LED power indicators, and universals 5.5x2.1mm male/female connectors for integration. ❀ for PC enthusiasts, builders, and industrial setting requiring customizable airflows. ❀ Optimizes cooling efficiency in computer setups, ventilation ducts, or air circulating cushions with smooth 0-12V output . ❀ construction and center positive polarity ensures across 12V 3A devices like blowers and exhaust fan.