Annke 8CH 1080P Lite HD-TVI Security DVR Recorder System and (4) 1.0MP Outdoor Fixed Dome Cameras with IP66 Weatherproof Day/Night Vision, Motion Detection & Email Alert, NO HDD Stunning 720P smooth and clear video recording, viewing and playback. Robust DVR supports extra IP camera connection. Up to 66ft/20m night vision with smart IR. IP66 weatherproof indoor&outdoor cameras. Double your storage with H.264+ compression available, lower bitrate and smaller file size, your 1TB hard disk can be used as 2TB or more. Videos are transmitted at up to 500m in coaxial cable. Enjoy high speed real-time videos with ease. S.M.A.R.T hard disk detection, detect and report hard disk failure timely; one-key recording, to start motion detection recording or continuous recording at once. Dual-stream design ensures fluent video recording and viewing. Instant motion triggered email alarm with snapshots as attachments; customizable motion detection regions; remote access on Android and iOS devices, install the app by scanning QR-code. Multiple smart detection and alarm, motion detection, video loss detection, invasion detection, crossing-line detection etc. Easy USB backup. CE&FCC certified system with qualified power adapters.