Eastchina| Dc 12 Volt 8 Amp PWM Dimming Controller for LED Lights or Ribbon Lights, Dc 12 Volt 8 Amp 96w Adjustable Brightness Light Switch Dimmer Controller for Led Strip Light Adjustable Brightness Light Switch Dimmer Controller DC12V 8A 96W for Led Strip Light Soft and stable, no flickering Low power consumption and energy-saving The rotary knob can be used to manually adjust the brightness Mainly used to adjust the brightness of single color LED strips such As SMD5050, SMD3528