The DSAN Do-Cue Cue Light is a professional, wired remote signaling system used primarily in corporate events, conferences, and theatrical productions to discreetly cue speakers or backstage personnel. The system consists of a handheld or desktop transmitter unit and a receiver base station that typically provides visual (bright LEDs) and/or vibration feedback. It is a highly reliable, straightforward solution for managing timing and coordination during live events.