Input signal: Wi-Fi/IP. Connection of video cameras: 4. Video cameras included: 4. Camera resolution: 4 Мр / 20 fps. IR illumination range: up to 60 meters. Viewing angle: 88 degrees. Ability to connect wired IP cameras: yes. AI: human detection, motion detection. Hard drive: 1 x SATA (up to 10 Tb, not included). USB Drive: 1 x USB Drive. Maximum display resolution: 5Mp. The maximum recording resolution of the DVR: 5 Mp (25fps). Network interface: Wi-Fi / RJ45 10M / 100M Ethernet. Wi-Fi Video Transmission: Transmits video through 2 successive concrete floors, 500m reliable reception/transmission in open area, maximum 500m in open area without obstacles and power lines for 5Mp. Android / iOS: Monthly updated NVSEE software. Complete set: 1 Wi-Fi NVR, 4 outdoor video cameras Wi-Fi 4Mp, mouse. Application: elevators, parking lots, parking lots, private houses, shops, garage cooperatives, OSBB.