Display a virtual Limitimer signal light on a video screen. Overlay on top of applications such as PowerPoint© to provide a speaker with Time Remaining on a presentation monitor. Select digits only, digits with green-yellow-phase lights or phase lights only. Re-size to fill any percentage of the screen or position anywhere. Select font color, text box color, or use custom bitmap behind digits. Video Clock connects to computer via USB and the Limitimer via Cat 5. Includes application software and timer interface