【Extendable DVR】Hybrid Capability 4-in-1 8 Channel DVR Recorder 1080p, with self-adaptive technology, it supports 4 kinds of camera models: 960H Analog,720P/1080P AHD,TVI and CVI, which allows you to add 4 more different cameras.(1TB Seagate Skyhawk Security Grade Hard Drive Included)\n【Local or Remote Access Anytime & Anywhere】View and control your security system locally by connecting the system to a monitor, or via free ZOSI Client software on Windows or Mac, or via iOS & Android APP (ZOSI Smart or ZOSI View) on mobile devices remotely.\n【Advance Motion Detection & Alert Push】You can customize motion detection area in each camera to minimize false alerts. Instant notifications and email alerts will be pushed to your phone directly as long as the cameras detect moving objects.\n【Customize Each Camera with Different Record Modes】Our ZOSI DVR offers 4 kinds recording modes to meet your needs: Record footage continuously; Record during scheduled times; Only record when detect motion; Recycle record. You can customize each camera with different recording modes, and download the recording files for the USB backup.\n【Built in 1TB Security Grade Hard Drive】-- Support ultra-long continuous recording and backup by USB. Dvr can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard Drive.