Coomatec THG DVRCam DVR Dome CCTV Camera Night Vision 8m 32G Security DVR Recording Security Camera System for Office Stockhouse Supermarket Warehouse DVRCam dome is the first camera which include all-in-one security system Designed to be a stand alone camera, just plug and play, no any wiring project. We provide a TF card reader for free, you should buy TF card by yourself The camera can support 2-32GB TF card and can keep 14 days circular recording Digital Video Format: MPEG4/3GP;VGA (640 x480)