Fixed output constant current LED driver module, capable of driving 3-24V LED lights. Wide input voltage range of 3.3V to 32V, suitable for various LED applications. Adjustable drive current up to 300mA by modifying the RCS resistance, allowing customization for specific needs. High efficiency of up to 94%, ensuring minimal energy loss during operation. Inherent open-circuit LED protection and soft over temperature protection for enhanced safety. Voltage: DC 6-25V The LD3190SB module is designed for driving low voltage replacement LEDs, automotive lighting, LED back-up lighting, illuminated signs, car LED lights, and LED strip lights. It features PWM control for brightness adjustment and offers a simple low parts count for easy integration into various projects. With a maximum output power of 21W, it is ideal for applications requiring reliable and efficient LED driving solutions. Color: White Material: PCB Specification: 300MA Package Contents: 1*LED Dimmer PWM Controller Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.