Digital Lighting Controller The controller is designed with a DIP switch on the back. Hence, you can set a number for each controller easily. You can add up to 5 devices to one lighting controller and up to 16 controllers to the software. The controller and the coding guide are included in all packs. *It is recommended to connect up to 3 controllers on one peripheral cable (Molex) only. SyncALL, Say Hello TT Thermaltake AI Voice Control Talking to TT RGB PLUS App is an easier, faster way to set lights for your systems. You can ask it to turn the lights on or off, switch lights modes, dim the lights, change light colors, or adjust lights speeds or fan speeds.