Fixed output constant current LED driver module, suitable for driving 3-24V LED lights. Wide input voltage range of 3.3V to 32V, making it ideal for various LED applications. Adjustable drive current up to 900mA 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 LED lights, including replacements, automotive lighting, and illuminated signs. It features PWM control for brightness adjustment and offers a simple design with low parts count. With a maximum output power of 21W, it is suitable for various applications, including LED strip lights for bedrooms and car LED lights. Color: White Material: PCB Specification: 900MA 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.