Samsung SDH-C5100 16 Channel 720p All-in-one DVR Security System (Black) Smartphone and PC ready. View Anytime/Anywhere! Remote viewing on Internet Explorer or iPOLis mobile. HD (CH 1~16): Supports 720P/960H/D1/HD1/CIF recording 10 IP66 720p HD weatherproof security cameras (SDC-8440BC) 2TB of storage USB 2.0 and records using H.264 compression technology Backwards compatible utilizing previous versions of Samsung's previous BNC camera models; however, the DVR must be set to utilize standard definition cameras prior to utilizing previous model cameras.