... SummarizatioN RF controller adopts the advanced micro control unit,it is used for controlling a ... effects of change.Technical parameters 1. Working temperature: -20-60 C 2. Supply voltage: DC5V, 12V, 18V ... power:2, Adopt RF control,there are four keys altogether, and every key-press function as follows: ... and 3(C) keys are available Typical Applications rgb led controller DC5V, 12V, 18V, 24V 3 channels ...