The Verifact DVGC is an omni-directional, low impedance, electret condenser microphone with built-in preamp and automatic gain control. It can pick up normal sounds approximately 25 ft. away, or within a 50 ft. diameter circle. It's built-in limiter prevents the output signal to be overdriven thus minimizing distortion. Verifact DVGC produces line level output (0 dB) and can be located up to 1,000' from the Louroe base station. Microphone has potentiometer to adjust the output gain up to +10dB. It fits into a single gang electrical box for flush or surface mounting and is designed for areas of high vandalism. The Verifact DVGC is compatible with all Louroe Audio Base Stations or Louroe Audio Interface Adapters.