2Pcs Speed Controller 12V,DC PWM Controller 1.8V 3V 5V 6V 12V 2A DC Low Voltage

--\u2605 Input supply voltage: 1.8V-15VDC;\n--\u2605 The maximum output power: 30W\n--\u2605 The maximum continuous output current: 2A\n--\u2605 Duty cycle adjustable: 5% -100% \u00EF\u00BC\u0152potentiometer with switching function.\n--\u2605 A wide range of uses: It is suitable for speed control of DC motors, fans, oxygen pumps for fish tanks and other products.\n Features: \n 1803BKW DC motor speed controller controls the speed of a DC motor by setting the pulse width modulated (PWM). \n The input power range is DC 1.8-15V. \n Use a 2A resettable fuse to protect the controller. \n Potentiometer cable length 20cm. \n Operating instructions: \n Before attempting to wire the controller, make sure the power is off. \n WARNING: TO CHANGE THE MOTOR DIRECTION, REPLACE THE MOTOR'S POSITIVE AND NEGATIVE CABLES. \n 1. Switch on the device and adjust the potentiometer. \n 2. The LED indicates the switch-on and the speed of the motor. \n Package including: \n 2 x DC motor speed controller