... within 100 meters Remote controller function: Button A:color-changing mode Button B:speed+ Button C:speed - Button ... off and turn on the power again.this color change mode could synchronize all par56 colors.2 ... built-in controller, par56 change colors automatically3, Single color: turn on/off the powerAdvantages:1, Certificate: CE ... . 5, Easy installation, maintenance free. led color changing pool light