(5). [ 20/7 Customer Support ] __ Free life-time Tech Support & Any problems, please just feel free to contact us, you can always rely on our 20/7 customer service.(Customer Support response within 20 hours everyday). (4). [ Customize Each Camera with Different Record Modes ] __Our ZOSI NVR 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. (3). [ 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. (2). [ 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 ) on mobile devices remotely. (1). [ 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).