Audio Video Supply Inc.’s AVS-A Series 4, 8 and 16 channel digital video recorders offer professional video surveillance functions, and produce real-time display and recording rates. The recording function of the DVR series can be scheduled, motion activated or activated by alarm. In emergencies, a panic recording feature overrides all other recording settings and provides the best quality recording of the event. The series also supports audio inputs, alarm inputs, full PTZ control and archives recorded video and audio files onto a USB memory stick. In addition, an email support feature allows the DVR unit to notify specific users of hard drive failure, motion detection and alarm activation.