ZOSI surveillance systems are designed for your home and business with easy installation and operation. This POE system features Super HD day and night, real time 2-way audio, AI human detection, Instant push alerts, customize your each camera with 4 different recording modes, smart play back and searching, etc. The advanced H265 plus video compression technology provide you more faster loading speed, 50% less storage space and lower resource/data consumption. With free ZOSI Smart App, you can keep tabs on what's happening at your home or business on your PC, Tablet, Smartphone anywhere and anytime. Color: Black/White.