my first NVR. Overall works great so far 3-4 weeks in and not once had an error. software and set up was a bit clunky as no real instruction manual but i suspect Hikvision expect to sell to trade mainly. few you tube videos later i was all up and running. hikconnect also works excellent, once i set up app and triggers the messages works great with no problems i installed the cameras DS-2CD2385G1-I 8MP Turret Camera and fed cable through walls. no need to but a adapter plate for cables if you drill a 22mm hole in wall for RJ45 connection. Overall quality is excellent via streaming and recordings. Night time also excellent and very clear. currently only gone to 1080p 20FPS but will change shortly to the highest settings to test. Overall really pleased with this unit. shame i bought 3 weeks before black ones came out lol ;-) assistance was great when needed but plenty of youtube videos to assist and the useip forums excellent.