Versatile Dimming Options: Experience precise lighting control with a 10-speed dimmer switch. A short press adjusts brightness incrementally from 10% to 100%, while a long press enables stepless dimming for smooth transitions. Ideal for creating the perfect ambiance in any environment. Reliable Memory Function: The USB LED dimmer retains the last brightness setting when connected to a continuous 5V power supply. Lighting preferences are preserved even after power cycling, provided the USB port remains powered. Universal Compatibility: Designed for 5V single-color LED lights, this dimmer features a female to male USB connection. Note: Not compatible with timers; manual operation is required for adjustments. Broad Application: Suitable for reducing excessive brightness or conserving energy. Use with various 5V USB LED setups including neon signs, TV backlights, monitor lighting, LED string lights, fairy lights, 3D printer enclosures, RV lighting, and other low-power USB devices. Compact and Convenient Dual Pack: Includes two USB dimmer cords for backup or simultaneous use across multiple devices. The compact design allows easy integration without taking up excess space. Color: Black Material: Plastic Package Contents: 2 x Switch wire Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.