Universal external controller BAC-0420X, 2000 W. using mosfets IRF3077 Universal, programmable, external controller with power up to 2000 W. Ideal for any other wheel motors and BLDC (brushless brushless) motors with or without Hall sensors. Improved version (BAC-0282P). Programmable using a USB cable (purchased separately, not included). It is possible to adjust the speed with a potentiometer instead of the throttle knob (not included in the controller). Constant current strength: up to 40A. Peak current: up to 60A. There is no beep (as in the photo) in this version! Main advantages: 1. Dual sensor control mode and without sensor; 2. Programmable voltage 24/36 / 48V; 3. Programmable power 250/500/750/1000/1500/2000 W; 4. Programmable phase shift 60/120 degrees; 5. Regenerative braking; 6. Cruise control (constant speed) 7. Reverse possible (Forward / Reverse)