8/16 Channel USB Voice Logger

8 CHANNEL UPGRADABLE TO 16 CHANNEL ANALOG VOICE RECORDING SYSTEM. RECORDING STORAGE IN CONNECTED PC HARDDISK. UP TO 4 BOXES CAN BE CONNECTED TO ONE PC.RECORDED FILE CAN BE TRANSFERRED TO MP3 AND WAV FORMAT.UP TO 175 HOURS RECORDING DATA FOR 1GB HDD SPACE. CALLER ID DISPLAY.