Coomatec Indoor DVRCam C802B Video Out with BNC All-In-One Home Security System Monitoring Surveillance Recorders Stand Alone DVR CCTV Kits Support Max 32GB Micro SD/TF Card, Circulating Storage Simple use - insert micro sd card, connect with TV, and then plug into mains to record Support 32GB micro SD card to record 3-4 days continually. View in 640 x 480 pixels to get real time videos on TV. Recognize faces clearly in 8 meters even in the darkness Record in 24hrs x 7days to protect your security all the time.