***** **********Best Quality Guranteed. ***** (1). [ Advanced H. 265+ High Efficiency Video Compression ] __ 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. ***** (2). [ 4-in-1 1080P DVR ] __ Hybrid Capability 4-in-1 4 Channel 1080P DVR Recorder, with self-adaptive technology, it supports 4 kinds of camera models: 960H Analog, 720P/1080P AHD, 720P/1080P TVI and CVI. (No Hard Drive Included) ***** (3). [ Local or Remote Access Anytime & Anywhere ] __ View and control your security system locally by connecting the system to a monitor, or via free Client software on Windows or Mac, or via iOS & Android APP ( Smart ) on mobile devices remotely. *****(4