The DVO-1000MD is the only medical grade DVD recorder that features a built-in hard drive. This recorder has two exclusive features -DVORECOVERYâ„¢ and DVOFAST â„¢ - making this recorder one of the most user friendly recorders we have ever designed. The DVO-1000MD employs industry standard MPEG 2 video compression to capture images with exceptional clarity. The DVO-1000MD utilizes a 80 gigabyte hard drive to store up to 30 hours of video. Accesories: - Supplied Accesories; Operation Manual, Protocol Manual. - Optional Accesories; * DSRM-10 Remote controller * SVRM-100A Remote Control Unit * FS-20 Foot Switch * VMC-IL4615B/IL4435B I. Link cable ( 6 to 4 pin) * VMC-IL6615B/IL6635B I. Link cable ( 6 to 6 pin).