The default send out goods is 5-35V. This PWM motor speed controller is made of high quality circuit board material, durable and wear-resistant, ensuring long-term service This motor speed controller features screw terminals for convenient and quick wiring and includes an adjustable momentary start/stop switch and speed control potentiometer, ensuring easy and convenient control Designed with digital displays, this DC motor speed controller can read data from the LED display to show the actual rate of speed to the maximum speed. Min DC motor governor, But also applies to LED dimming High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery Warranty We offer 3 months warranty for all of our products. Wide voltage DC motor speed controller, PWM duty cycle: 1% -100% 2X DC Motor Speed Control Driver Board 3V-35V 5A PWM Controller... Default disconnection of short circuit point ,it is Applicable to 5-35V input voltage;If connect short circuit point,it is suitable for low voltage 3-15V input Lixf Mini Dc Motor Pwm Speed Controller 3v 6v 12v 24v 35vdc 90w 5a Dc FA7 12v Voltage Regulator DC Motor Speed And LEDs Control Driver Board 3V-35V 5A Pwm Controller DC 5V-24V 5A LED Driver 0-100% Stepless PWM Dimmer Module 5000mA Switch Circuit Control Board and other LED Driver Module on sale, Arduino, Robotics, Raspberry Pi Zero, ESP8266/ESP32, Inverter, DIY Kits, Development Board, Functional Module, LCD/OLED Dis Service Timely warm reply and positive attitude, quickly solve the problem for every customer.