Sanyo ICR-EH800D Digital Voice Recorder (ICR-EH800D) Uncompressed Linear PCM Stereo and MP3 Stereo Recording Modes Built-in Stereo Microphone and Directional Zoom Microphone (3 mics) 2GB Internal Memory Included Micro SD/SDHC Card Slot (accepts up to 8GB) Long Recording Time from 136 Hours (with 2GB internal memory) up to 544 Hours (with optional 8GB SD card)