ANNKE 3MP Security Camera System 8CH TVI/CVI/AHD/IP/CVBS 5-in-1 DVR with 1TB Hard Drive and (4) 1920x1536p Weatherproof Indoor&Outdoor Cameras, Metal Housing Advanced H.264+ CompressionIt saves 70%-80% of recording space effectively compare to H.264. Enable H.264+, you can keep recording for 720 hours in a 1TB HDD on normal conditions, while with H.264 only 192 hours footage available. 3MP Security Camera SystemAllows you to discover the details in pristine colors and smooth on-screen movements, it has 1.5 times higher valid pixels than 1080P, such clear resolution brings license plate and facial recognition easily. Weatherproof CCTV CamerasANNKE using only high grade metal casing, which are weatherproof effectively, provides great heat conduction to prolong its life, keep working even at -40F, ensure your place and your devices safe. Array LED Night VisionLow power consumption but high-performance Infrared LED Array has 10 times longer life expectancy than traditional LED, and provides excellent well-distributed night vision without the halo effect, which guarantees great brightness without decays. Worry-Free WarrantyAll ANNKE products have passed HDMI Senior Member certified and ISO 9001 certified. All systems CE & FCC certified with qualified power supplies. Easy-to-reach lifetime Tech Support, 3-Year Warranty and 60-Day Money Back Guarantee.