A budget device for small video surveillance network with a full set of basic functions of AHD DVR and with the ability to play audio files. The connection to 4 video cameras with AHD-H resolution is allowed. In the hybrid mode – up to 2 AHD cameras with AHD-H resolution and up to 2 IP cameras with 2.0 MP resolution. All the video surveillance channels are recorded simultaneously by the device in real-time mode. Four recording modes – fulltime, alarm, motion or schedule – provide an opportunity to configure the system of video surveillance according to defined tasks within every period of time. The backup to USB storage devices is allowed. The standard (classic H.264) compression codec allows you to receive the small size video files without any quality loss. You can also connect a hard disk up to 6TB (not included) to this DVR. The network managing can be provided from any place of the world. The modern software includes a convenient configurator and a CMS monitoring system. The Ethernet 10/100Base-T network interface provides a reliable, protected connection with the optimal data transfer rate, the maximum value of which is up to 100 Mbit/s. This model is equipped with the 4 audio inputs and output for recording and sound playback.