ZOSI 8CH Full 1080P High Definition Hybrid 4-in-1 HD TVI DVR Video Recorder CCTV Network Motion Detection for Surveillance Security Camera System Real Time Recording Mobile Phone Monitoring ZOSI 8channel 4-in-1 DVR which supports Analog, HD-TVI, CVI ,AHD Camera. it provides you the flexibility to extend additional cameras.You can add 8pcs 720P or 1080P cameras. Email Notification & Mobile Push Alerts when Motion Detection,Free ZOSI VIEW Apps for Live View and Playback on Smartphone Devices under Wi-Fi/ 2G/ 3G/ 4G Network Support USB port Back up , gives you the easiest option of backing up and transferring your video footage to a USB flash drive Connect to the internet in seconds with the latest ZOSI VIEW - just scan the DVRs unique QR Code Two year quality Warranty, Life time Tech Support ! If your product stops working in the first year we will replace it.