... state. 2. Key 2 to activate light changing mode, a new mode each press,15 modes in total. 3. Key 3 ... advanced PWM reomte control technology ,can control all the full color LED lighting with four lines three circuits(common anode),with more ... auto light changing modes.it widely applies to RGB LED strip light,LED Module,etc 2013 hot selling RGB remote controller,wireless touching,DC12V/24V