1stPV HD-TVI/CVI/AHD//Analog/IP 4 in 1 True-HD 1080p H.264 Digital Video Recorder Internet & Mobile Phone HDMI Smart Recording Playback Great for Home Office CCTV System HD-TVI DVR, Triplex: Live / Playback, Record, Network. Standard H.264 Video Compression with low bit rate and better image quality. Support 4CH and 8CH: 1 x SATA HDDs, 16CH: 2 x SATA HDDs (up to 6TB Storage Capacity). Support both iphone, Android Phone, and 4 Major Web Browsers (IE / Firefox / Safari / Chrome). Support HDMI & VGA video output. USB Backup and USB Mouse. Pre-Alarm Recording and Motion Detection. Dual-stream: network video and local recording. CMS and web-based remote monitoring software. Up to 1080P HDMI and 1920 x 1024 VGA Output Resolution. Support one IP Cam. Support DVR Limited 3 Years Manufacturer Warranty. Support HDD Limited 1 Years Manufacturer Warranty.