Adjust Brightness Led Music Controller 5V RGB Light Controler for Christmas Light String

Label:Yes Limited control distance: 20m (open area) Brand new and high quality Size: apporx.5.5*2*1cm Input Voltage: USB 5V Lighting mode: programmable combination, full-color water flow, fixed mode effects etc. Control Method: APP Control , 24 keys Remote Control Package Include 1* LED Strip Light Controller