HolidayCoro AlphaPix 4 V2 Light Controller. The AlphaPix 4 is designed for medium density pixel based projects such as pixel matrix panels, pixel MegaTrees and house outlines. The built-in, backlit LCD panel allows for easy configuration of most settings (pixel type, channels, IP address settings, etc) and to monitor the units settings. Additionally, it is possible to trigger the built-in test sequences right from the LCD interface. Features five push buttons for control of the LCD functions. Easy to use plug-able connectors. Three additional LED status lights for monitoring controller state (power, IP address, E131 data signal). Automated fan control using a standard CPU cooler fan. Input voltage monitor (viewable from LCD and webpage). Per output RGB color mapping. Lowest cost commercial 4 output, full featured controller on the market today.