(1). Power supply: This DVR applies AC 90-240 voltage indoor power supply (build-in).
(2). Video input: 4 channels / Video output: 2 Channels
(3). May choose any one of the four video channels for surveillance and recording as well as four channels recording simultaneously;
(4). Three optional levels of image quality : High/normal/low. Frame rate change enable for recording;
(5). Compression mode : Modified MJPEG
(6). Compatible with NTSC and PAL format;
(7). Support alarm recording and time recording;
(8). Multi-function searches : be able to distinguish alarm records and time record from ordinary record; Be able to search by time or by segment(previous segment, next segment, first segment and last segment, etc);
Support various playback modes : pause/2x/3x/4x fast forward and backward play:
Automatic spot protection when power-off, automatic resume when power on;
(9). Four alarm input and one alarm output;
(10). Equipped remote device;
(11). PTZ control enable
(12). Totally independent from PC platform, thoroughly keeping away from shutdown caused by inappreciative operations, complicated management and operation, and virus infection.
