Advanced H.265+ High Efficiency Video Compression : Zosi Self-Developed H.265+ Video Coding Technology Extract Features That Focus On Characteristics Of The Surveillance Scenes For Larger Storage Space And Better Image Quality. H.265+ Can Further Improve Compression Ratio On The Basis Of H.265 Standard And Save About 80% Storage Compared With H.264, And Thus Effectively Saving Storage Resources And Provides An Excellent And Smooth Viewing Experience Extendable System Overview : Exclusive 8 Channel 5Mp-Lite Dvr Recorder Paired With 4 Weatherproof 1080P Bullet Cameras With 80Ft Night Vision And 90°View Angle(It Allows You To Add 4 More 1080P Or 5Mp 12.5Fps Cameras). 60Ft Bnc+Dc Cctv Cabling Provides Both Video And Power To Your Cameras,More Stable And Reliable Than Wireless Security System.(No Hard Drive Included) Local Or Remote Access, Playback Anytime & Anywhere : View And Control Your Security System Locally By Connecting The System To A Monitor Without Internet, Or Via Free Zosi Client Software On Tablet, Pc, Or Via Smartphone App (Zosi Smart ) On Mobile Devices Remotely.You Can Also Playback Significant Evidence Or Funny Videos Records By Searching Different Days, Hours Or Minutes Advance Motion Detection & Alert Push : You Can Customize Motion Detection Area In Each Camera To Minimize False Alerts From Moving Branches Or Animals,And Block Out Selected Areas To Grant Privacy In Situations, People Can Not View Of Certain Areas Or Activities. Instant Notifications And Email Alerts With Screenshot Will Be Pushed To Your Phone Directly As Long As The Cameras Detect Moving Objects