The QTR70LF-BZ-3-24-RAG is an LED signal device manufactured by QLIGHT. It consists of a tower-shaped unit with a buzzer, a steady light, a flashing light, and an LED light. The LED light operates on 24 volts and is typically used for emergency and safety signaling applications. The buzzer produces a continuous sound when activated, while the steady light produces a constant, bright illumination. The flashing light produces a series of flashing, light pulses which can be used to create visual cues for emergency or hazardous situations.