3Keys LED Strip Light Controller DC5V-24V Single Color Reflux Pixel Controller Adjustable Running Water Flowing new and high quality Type: LED Strip Light Controller Working Voltage: 5-24v Size:As the picture show Number of control points: up to 2048 pixels (2048 ICs)_x000D_ Button description: The first button：ON/OFF The second button：speed adjustment/brightness adjustment (speed adjustment function when the light is on, and brightness adjustment function when the light is off) The third button：mode switch The controller adjusts the number of points method: When the light is off, press and hold the third "mode" key for 5 seconds to enter the adjustment pixel point menu. At this time, press the first technical key "speed" key and the third key "mode" key to adjust the number of points. The "Speed" key is to increase, and the "Mode" key is to decrease. Press and hold to adjust quickly. After adjustment, press the on-off key to save and exit. The default factory setting is 80 points, and the maximum can be adjusted to 2048 points. Package include: 1* Led Strip Light Controller（no led strip or switch） _x000D_ _x000D_ _x000D_