... very easy to storage, compress, move, delete, backup,5 high quality recording effect, TYH-8200 recording box to shield ... been set in black list, attention Brief: USB Interface,1 computer connects 1 telephone line, this system adopt ACCESS database. ... Install simply, use conveniently. Accessories: 1 software disc, 1 mini logger, 1 USB cable, 2 telephone lines.Product pictures and package ...