Features: 【Multi-voltages Compatibility】Supports 6V, 12V and 24V power inputs to meet diverse device requirements. 【Speed Control Technology】Employs width modulation for smooth regulation, eliminating heat dissipation associated with conventional resistive speed control. 【Output Current】Delivers a output current of 3A, capable of driving various small motors with high adaptability. 【User-Friendly Operating】Features a straightforward control, allowing users to easily adjust motor speed via a rotary knob or external input. 【Protections Functions】Incorporates built-in overload, short-circuit, and overheat protections to ensuring safe operating of both the speed controller and motor. Specifications: Component: ABS. Size: about 50x28x17mm./1.96x1.1x0.67in Weight: 20g. Potentiometer: resistance value B100K; wire length 20cm/7.87in; opening 8mm. Operating voltages: DC6V-28V The output voltages Control power: 6V3A=18W, 12V3A=36W...28V 84W. Current: 3A. Speed ​​regulation ranges: 5%-100 frequency: 21kHz. Package Includes: 1PC Microed motor speed regulator note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.