... . 3 channels, 5A per channel. 4. On/off switch RGB LED Controller Model NumberCT309Power outputPower outputVoltageDC 12~24VStandby Power0.5WSize211(L ... ; With output protecting function, it could extend the life of LED; Maximum 31 modes can be selected, and 256 levels of ... for hospital, hotel, marketplace, square, dining-room, pub and etc.;AD solid Word, sign and mark, signboard and billboard;Be used ...