With incredible video quality, ease of use and powerful networking tools, The Revo ULTRA HYBRID unique design complements any home or business Combining High Definition video quality with the convenience of Hybrid Technology, Revo ULTRA Hybrid is the best value in HD Surveillance. This system comes with an 8CH 5 Megapixel DVR, 2TB HDD and 6x 1080p Bullet Cameras. The 8CH Hybrid DVR can support up to 8 Analog HD Cameras and 4x IP Cameras for a total of 12 cameras total. The RUH81B4G-1T Surveillance System delivers 1080p HD video quality over BNC Coaxial Cable and is backwards compatible with Analog cameras making it an ideal upgrade for an existing system. The Revo Hybrid 8-channel DVR is fast and powerful. It's equipped with a high-performance processor and support state of the art features. The Revo 1080p Cameras also come equipped with IR LEDs for HD night-time surveillance. The cameras are built for indoor and outdoor use, capable of handling a wide range of temperatures, rain or shine. Securely view your Revo Hybrid system from virtually anywhere. Revo ULTRA Smartphone app allows you to access your Revo system. View your cameras, adjust settings and even record video. Take advantage of 1080p HD resolution, with the convenience and simplicity of Analog.