Cloud Software Upgrade - Cloud update! Updating the software of your system is fast and intuitive. The diagnostic interface maintains the health of your system and will notify the user when a new update is available. 4K HDMI Output -"RU16NVR2" features state-of-the-art 4K video output delivering OUTSTANDING 4K resolution to experience details like never before. Connect a monitor with 4K capability to the HDMI output on the back of the NVR to optimize the performance of your "REVO ULTRA" video surveillance system. ULTRA H. 265 Codec - REVO ULTRA 16CH NVR features "ULTRA H. 265 Codec", the most advanced compression technology ever. This revolutionary technology helps save up to 80% of bandwidth and storage space in comparison to H. 264 and 50% in comparison to regular H. 265. Cutting Edge "OSRAM" LED-The IR LEDs have been totally redesigned to provide as much as twice the night vision range (100ft) and up to 50% better IR dispersion. These industrial grade "OSRAM" LEDs display night vision video vividly and with full detail. Night vision video quality is unmatched. Intelligent Surveillance - Intuitive Intelligence - The new "REVO ULTRA Series" elevates video surveillance to a whole new level of performance and versatility. Smart features such as face detection, intrusion detection, people counting and zone penetration. Setup custom notifications for instant alerts via "Push Notification" and "Email" when the alarm/event triggering feature detects suspicious activity. PoE and Long Range PoE. True WDR (Wide Dynamic Range). Extreme Weather Perfromance - The "REVO ULTRA" bullet cameras are built for the outdoors, capable of handling temperatures as hot as 140F and as cold as -31F, rain or shine. When it comes to surveillance, reliability is key.