Input: XVI / 3G-SDI / IP / HDTVI / HDCVI / AHD / CVBS. Connecting video cameras: 4. Included camcorders: 4. Resolution camcorders: 5 MP. Connecting microphones: 1. Hard drive: 1 x SATA (up to 10 Tb, not included). USB drive: 1 x USB Drive. Maximum display resolution: 8Mp. The maximum recording resolution of the DVR: 5Mp (25k / s). Network Interface: RJ45 10M / 100M Ethernet. Long distance transmission over UTP and coaxial cable: max. 500 m for 5Mp. Smart search for effective playback. Supports recording to USB sticks and USB drives of any size. Android / iOS: Monthly updated Xmeye software. Options: 1 DVR UDR-4K-41LT, 4 outdoor video cameras AiSONIC-WX536STD, 1 PSU 12v / 5A, power splitter, combined coaxial cable (signal + power) 40 meters, set of connectors for 16 pieces cable, mouse.