With incredible video quality ease of use and powerful networking tools Revo Ultra is the very best that Revo has to offer. Revo Ultra s unique design complements any home or business. The Revo Ultra s superb video quality is based on IP technology which brings the power and beauty of digital high definition video right to the heart of your surveillance. The 2nd Generation 8 CH REVO ULTRA NVR features state of the art 4K Video Output H.265 Compression and support up to 4K Cameras. The 6 indoor/outdoor bullet cameras feature optical grade glass 3D Digital Noise Reduction massive 4 Megapixel Sensors double the resolution of standard 1080p HD. IR arrays illuminate the scene up to an unprecedented 100 in total darkness. Revo Ultra cameras are able to handle temperatures as hot as 140F and as cold as -31F.View your Revo Ultra 4MP cameras from anywhere. Using the Revo Ultra Mobile smartphone app simply set up an account and then scan your NVRs QR code to begin mobile viewing. Access your Ultra NVR via the web using www.myrevocloud.com compatible with Internet Explorer. Want to view multiple Revo Ultra units at different locations from a single computer With Revo EZStation Software design your own custom layout of which cameras you d like to view with Video Wall or even lay them out on a custom map of your property with E-Map.