Anysun Mini Security DVR Mini CCTV CDVR Micro SD Card Recording Metal with Charger MICRO SD CARD: Small DVR for Micro SD Card Slot Supports up to 32GB - VGA (640x480), QVGA (320x240) FUNCTIONS: C-DVR include multiple functions, such as continuous video recording, motion detect recording, mixing recording and audio Recording. It is ideal for all users because of compact size, powerful functions and easy to operate. INPUT / OUTPUT: Security DVR has one video and audio in, as well as one video and audio out. EASY INSTALL: This product is suitable to install anywhere, such as villas dwelling house store, hotel small-markets, convenient stores, chain stores, storehouse offices, financial affair offices, mobile station and more! INNOVATIVE: Apply ARM + DSP technology and intelligent algorithm. Supports video playback function.