IdeaNext True POE 1080P 4X Indoor/Outdoor Home Surveillance Onvif IP Cam 4CH 1080P HD NVR Bullet Security Camera System,Weatherproof/1TB HDD/QR-Code Configuration Full 1080P Realtime Recording 4 Channel NVR with (4) 1080P POE IP Cameras - Provide bigger and detailed image/Never Miss One Moment **For application video, please check:https://www.youtube.com/watch?v=11Qt8NNvodM&feature=youtu.be** True Power over Ethernet (PoE technology) setup is clean and simple with a single network cable, brings you the crisp 1920x1080p resolution QR Code Scan-Quick remote access! Free mobile apps allow you to watch your system from anywhere with mobile viewing for Smartphones, tablets, PC Includes 4 x HD IP66 heavy-duty metal bullet cameras; 100ft Day Night Monitoring with Auto IR-Cut Switch Pre-installed 1TB Hard Drive Enables to Record Continuously for Up to 25 Days, support maximum 4TB HDD (not included) up to 100 days continuous recording