Magic LED controller Description : The controller chips for this system is HL1606. The quantity of controller chips is set by dip switch. Select program&speed by key-press . It can have a gray scale 128*128*128 . The controller is applicable for light box , stage decoration , home decoration ,etc. Specification: Working Temprature:-20-60degree Input Voltage :DC12V Size :L90×W60×H25mm Weight :75g Power :2.2W Outlet:two groups SPI signal, it can connect 10m of led strips each outlet. Feature: Set length 83 program for the choice Autorestart function 128*128*128 gray scale.