【Best 3K Def. in 16:9 Image Scale】The 1/3" BSI CMOS sensor delivers 3K clarity, bringing clearer image quality with finer details. And the 16:9 image scale perfectly matches the screen without distortion. Plus 120db WDR, BLC/3D DNR/HLC adjustment enhance the image quality to the best. 【Exclusive Smart Night Mode】The IP cameras go beyond the conventional 66ft color night vision and 100ft IR night vision capabilities. They now possess an intelligent night mode that transitions to color night vision upon detection of a human, effectively deterring potential intruders. 【Accurate Human & Vehicle Detection】The motion detection 2.0 can identify and swiftly extract primary objects such as people and vehicles with up to 99% great precision. And the system sends prompt notifications and email alerts to help respond quickly in real time. 【Noise-Cancelling Built-In Mic】The built-in noise-canceling mic picks up the ambient voice 20ft away. Wherever you place the camera on a terrace/patio/porch, no matter indoor/outdoor, the audio recording is perfect with crisp, clear quality. Super H.265+ Cutting-edge H.265+ consumers have 75% less bandwidth and recording space than H.264. You can record longer and smoother videos at the same video quality. Record Picture & Sound With the built-in mic, images and voices are simultaneously captured to reveal the whole picture in the given area. No more mute clips to guess the real scenario. Package content 4 x 3K Wired PoE Security Cameras 2 x 60 ft/18 m Ethernet Cables 2 x 100 ft/30 Ethernet Cables 4 x Mounting Screw Bags 1 x User Manual 4 x Waterproof Lids 4 x Surveillance Signs