Fixed output constant current LED driver module, suitable for driving 3-24V LED lights. Adjustable drive current up to 200mA by modifying the RCS resistance. Wide input voltage range of 3.3V to 32V, compatible with various LED applications. High efficiency of up to 94% with inherent open-circuit LED protection. PWM control for ON/OFF and brightness adjustment, ensuring precise current regulation. Voltage: DC 6-25V The LD3190SB module is designed for a variety of low voltage LED applications, including automotive lighting, illuminated signs, and LED strip lights. With a maximum output power of 21W and a switching frequency of up to 1MHz, it provides reliable performance. The module features soft over-temperature protection and a simple design with low parts count, making it an ideal choice for efficient LED driving solutions. Color: White Material: PCB Specification: 200MA 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.