ANNKE 8CH 720P Security DVR System 1TB Hard Drive and (8) HD 1.0MP Outdoor Surveillance CCTV Cameras, IP66 Weatherproof Housing, Super Night Vision, Motion Detection Advanced H.264+ compressionEnable H.264+, recording continuously for 600 hours with a 1TB HDD on normal conditions, however, H.264 takes 4TB HDD to achieve 600-hour long video. With the provided compression method, you have effectively saved 70$ on storage. Customize motion detectionMark out the relevant areas for motion detection to minimize false alerts. Send email alerts with snapshots and APP pushes of suspicious events immediately. Quick remote accessThe camera can be accessed and controlled remotely to your whole surveillance via the APP on your mobile devices. Review and watch live videos from every corner of the world. Worry-free warrantyEasy-to-reach lifetime telephone and email support, 2-year warranty and 60-day money back guarantee. ANNKE productssupported by the world's largest monitoring manufacturer, used in major security projects more than 150 countries and regions, such as G20 Hangzhou Summit, Beijing Olympic Games, Shanghai World Expo, Philadelphia Peace Community in the United States, Safe City in Seoul, World Cup in Brazil, and Milan International Airport in Italy has played an extremely important role