Effectively save electricity, reduce energy consumption, and extend the service life of LED lighting fixtures The size is 86x86mm, which is for integration with wall switches boxes Adopting PWM digital stepless dimming technology to accurately adjust brightness and meet different lighting needs Supports DC12V-24V input, with a maximums output current of 30A, suitable for various LED lighting fixtures, ensuring wide application The dimmer switches for LED lamps is make of shock resistant Rotating knob design ensures high durability, even with frequent use