What's in the Bundle: RLN16-410 *1pc + Video Doorbell WiFi*1pc + RLC-820A *8pcs + Ethernet-18M *8pcs Person/Vehicle Detection Smart PoE IP cameras can identify people and vehicles minimizing unwanted alerts such as animals or shadows. Cameras can also be configured to specify the type of detection when sending alerts to you. 4K Ultra HD Each camera in this PoE camera kit captures videos of 3840*2160 resolution. With the built-in microphone, cameras can also pick up ambient sound for an extra layer of security. Plug and Play PoE System The system includes four 60ft CAT5 network cables, which allow for easy installation and set-up. After connecting the security cameras to the NVR ports, recording and live views can be seen within seconds via an HDMI monitor. 24/7 Recording - This 4K PoE video surveillance kit supports 24/7 continuous recording. You will have an all-day video without missing a beat. The video will be stored in the pre-installed 4TB HDD. 2-Year Warranty