S J Security Systems Pvt. Ltd. Offers Standalone Digital Video Recorders with MPEG-4/JPEG-2000 Compression. Standalone Digital Video Recorders with MPEG-4/JPEG-2000 compression have full D1, 720 x 480 resolutions. It delivers speedy and real time display. TCP/IP Network function marks as the optional feature of the product. S J Security Systems Pvt. Ltd. Offered Standalone Digital Video Recorders with MPEG-4/JPEG-2000 Compression can be offered with a remote control or jog dial but both these are optional.