Dsan PRO-2000-T Limitimer Speaker TimerThe Limitimer console can be purchased separately and used to drive any signal light or in conjunction with another Limitimer for control of signal lights from two locations. The timer can be preset for up to four individual time settings. Programs are useful for venues where pre set timing formats can be selected quickly or where timekeeping is separate for each speaker. Specifications 12 volt external power supply Two Cat5 and one XLR data jacks