ZOSI 8-Channel HD-TVI 1080p Lite Security Camera System 4in1 DVR with 4PCS 1280TVL(720p),100ft(30M) Night Vision Weatherproof Outdoor/Indoor Surveillance CCTV Bullet Camera (1).Extendable DVR Hybrid Capability 4-in-1 8 Channel DVR Recorder, with self-adaptive technology, it supports 4 kinds of camera models: 960H Analog,720P/1080P AHD,720P/1080P TVI and CVI. It allows you add 4 more different cameras on your own, you can totally customize your unique ZOSI Security System.(NO Hard drive included & Not support any external hard drive,HDD Compatible with our DVR: Internal SATA 3.5" Consumer Electronics HDD) (2).Local and Remote Access Anytime & Anywhere Easy to get live streaming or playback videos via free ZOSI App(ZOSI Smart or ZOSI View) on iOS & Android devices, through free ZOSI Client software on Windows or Mac,or via major browsers like Internet Explorer and Firefox. Please note:This system do not need the internet to operate. However, an internet connection will be necessary if you want to view remotely. (3).Advance Motion Detection & Alert Push You can customize motion detection area in each camera, reducing the number of unnecessary alarms, to save your time and allows you to stay connected to all the unexpected movements. The instant notifications and email alerts will be pushed to your phone directly as long as the cameras detect moving objects.Besides,you can block out select areas on each screen,this is to grant privacy in situations,people can not view of certain areas or activities. (4).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, which allows you to save space on the hard drive, and you can download the recording files for the USB backup. (5).Guaranteed Policy & Customer Support All systems CE & FCC certified with qualified power supplies.Guaranteed for 2 Years & Free life-time Tech Support. If our product stop working in the first year,we will replace it.////If you have any problems, please just feel free to email us or call us ,we will definitely respond you within 24 hours!!! Step 1: Connect the DVR with the power adapter,monitor and internet cable. Step 2: Connect the cameras with DVR via the extension cables. Step 3: Connect the cameras with another power adapter with 1 to 4 power splitter. Step 4: Download <span class="a-text-bold">ZOSI app</span> (ZOSI Smart or ZOSI View) to remote control the system. This wired camera security system can work without Internet Connection, but if you need to view the cameras remotely, then you need to connect the DVR to internet. ZOSI DVR security system allows you to <span class="a-text-bold">customize the motion detection area in each camera, reducing the number of false alarms</span>, to save your time and allows you to stay connected to all the unexpected movements. In other words ,<span class="a-text-bold">you can block out select areas on each screen</span>, this is to grant privacy in situations, people can not view of certain areas or activities. Set motion detection, <span class="a-text-bold">the instant notifications and email alerts will be pushed to your phone directly as long as the cameras detect moving objects</span>, it will help you monitor smarter and keep you connected to what you cared while you&#039;re away. In order to help you solve the problems sooner, snapshots will come along with the alarming email. (<span class="a-text-bold">Need to setup in the DVR system first.</span>) Local Access: Connect the system to a monitor or TV via the HDMI cable or VGA cable. Remote Access: (Also need to connect the system to internet) <span class="a-text-bold">Easy to get live streaming or playback videos via ZOSI App on iOS &amp; Android devices, through ZOSI Client software on Windows or Mac,or via major browsers.</span> ZOSI DVR offers <span class="a-text-bold">4 kinds recording modes</span> to meet your needs: Record footage continuously; Record during scheduled times; Only record when detect motion; Recycle record. You can <span class="a-text-bold">customize each camera with different recording modes</span>, which allows you to save space on the hard drive, and <span class="a-text-bold">you can download the recording files for the USB backup</span>.