Three-Button LED Strip Controller DC5V-24V Monochrome Recirculating Pixel Controller with Adjustable Flow Rate Three-Button LED Strip Controller DC5V-24V Monochrome Recirculating Pixel Controller with Adjustable Flow Rate Brand New, High Quality Type: LED Strip Controller Operating Voltage: 5-24V Size: As shown in the picture Control Points: Up to 2048 pixels (2048 ICs) Button Instructions: First Button: On/Off Second Button: Speed ​​Adjustment/Brightness Adjustment (Adjust speed when the light is on, adjust brightness when the light is off) Third Button: Mode Switch How to Adjust the Pixel Count: When the light is off, press and hold the third "Mode" button for 5 seconds to open the pixel count adjustment menu. Now press the first "Speed" button and the third "Mode" button to adjust the pixel count. The "Speed" button increases the pixel count, and the "Mode" button decreases the pixel count. Press and hold for quick adjustment. After adjustment, press the power button to save and exit. The default setting is 80 points, and the maximum value can be adjusted to 2048 points. Package Contents: 1* LED strip (LED strip and switch not included)