12V 3A 4 Wire PWM Fan Speed Controller Digital Display Quiet Mode Full Speed Adjustment With Emergency Shutoffs

Precise engineered DC12V3A 4wire fan controller integrates digital temperature display and auto shutoff function, enabling accurate RPM adjustment and energy efficient operate for optimized thermal management. Features high precise thermal probe monitoring with 0-100 adjustable speed ranges, compatible for most 4wire fan through stable DC12V input in compact PCB/PVC housing. Essential for PC enthusiasts upgrading cooling systems, appliance technicians maintaining ventilation units, and lab operators managing temperature stability. 12V3A 4 Wire PWM Fan Speed Controller Digital Display Quiet Mode Full Speed Adjustment With Emergency Shutoffs Features: Precise engineered DC12V3A 4wire fan controller integrates digital temperature display and auto shutoff function, enabling accurate RPM adjustment and energy efficient operate for optimized thermal management. Features high precise thermal probe monitoring with 0-100 adjustable speed ranges, compatible for most 4wire fan through stable DC12