Some version of KMG-3233 stair light controller is set by default to illuminate 8 steps. However, you can easily adjust the number of steps using the following instructions:
1. Press and hold the "Speed" button for 3 seconds to enter the step count setting mode.
2. Use the "+" or "−" button to select your desired step count.
3. Press and hold the "Brightness" button for 3 seconds to save your setting and exit the configuration mode.