C225 5MP Security Camera System + 4K 8CH PoE NVR + 2TB Hard DriveDouble Defense Upgrade 16CH Expandable Real Time Conversation Remote Access Robust Deterrence Against the Unwanted This motion activated spotlight security cameras shine brightly upon suspicious events, plus a siren alarm leaving no chance for intruders to break into your property. Expand Up to 16 Channel System This 4K 8 Ports NVR can be upgraded to 16CH expandabled with a PoE switch connected(Not included). Anywhere Communication with Two Way Audio