ANNKE True Power over Ethernet Security Camera System 4CH 6.0MP NVR and (4) 2688x1520p 4MP Outdoor Night Vision Security Camera with IP66 Weatherproof, Advanced H.264+ and True Wide Dynamic Range 4MP PoE HD Security SystemThis surveillance kit includes advanced NVR that supports up to 6MP HD videos and 4MP PoE cameras to achieve stunning day to night surveillance video. Advanced H.264+ CompressionIt saves more than 2/3 of recording space effectively compare to H.264. Enable H.264+, you can record continuously for 528 hours in a 1TB HHD on normal conditions, while with H.264 only 144 hours footage available. Easy Installation and SetupThe system is designed so that it launches and displays images automatically when it is powered and connected via the Ethernet cable. This features an advanced plug-and-play application of this surveillance system. Supports ONVIF IPC ConnectionThe NVR supports any ONVIF protocol compatible with most IPC on the market, such as Hikvision, Dahua and more. You can also enjoy the crystal clear and high definition images after you connect the camera supports ONVIF. Camera with Excellent PerformanceThis 4MP surveillance camera is metal cased and rated IP66 weatherproof for extreme weather conditions; the true Wide Dynamic Range adopted presents you with perfect images. It also supports peer-to-peer encryption on data security to protect user privacy.