Pack of 4 LED dimmer knobs designed for 0/1-10V DC dimmable LED drivers. This low voltage electronic PWM dimmer integrates seamlessly with most LED driver modules, offering broad compatibility for various LED lighting systems. The DC 0-10V dimmer knob is intended for LED lights with a dedicated dimmer circuit. Its design supports driving a built-in PWM circuit within the light, improving LED performance and functionality. Provides a dimming range from 5% to 100%, enabling smooth, stepless dimming without flickering or humming. Allows precise control over light brightness to create the desired ambiance. Simple installation with clear wiring: brown wire for 'DIM +' and blue wire for 'DIM -'. Not intended for direct AC connection. Proper installation and usage are required for safe and effective operation. Color: Black Material: Plastic Package Contents: 4 x Dimmer switch Note: The actual product may vary slightly in color due to lighting and display differences. Measurement tolerance is +/- 1-3 cm. Only the items listed are included.