... , 12V ,18V, 24V 3),CE&Rohs approved 4),2yrs warranty High quality ir 28key rgb led strips controller1, Summarization 28-key infrared ... , you also could adjust random color by yourself freely. 2, Technical Parameters (1), Working temperature:-20-60 °C (2), Supply voltage ... show the color you saved last time.6, Typical Applications High quality 28key rgb led strips IR controller