[8tb Hdd, 2 Storage Bays, 32h Synchro Playback]: 8tb Hdd is pre-installed for 24/7 reliable recording, users are provided reliable 24/7 continuous recording for up to 32 channels 16 cameras and also smart motion detection. 2*3.5" Sata Hdd port, each of which can support up to 10tb. 32CH 4K 8MP NVR & 24 ports PoE Switch support 24Pcs 4K ip cameras, multiple add-on options. [Smart Dual Illuminators]: Smart Dual Illumination technology adopts deep learning algorithm to detect targets. Due to the dual lighting, it is possible to capture bright images at night using white and infrared lights. In the default dual light alert day and night mode, when the surrounding area is dark, the infrared light will light up. When the camera triggers human detection, the camera will switch to white light mode, providing a warning effect and clearer images. [32ch True 4K Ultra hd]:32ch 4K Poe nvr and 20pcs 8mp Poe cameras, ensure you the highest quality view of your surroundings. Super-wide 2.8mm lens allows you to cover more ground and widen the camera monitoring view. With ip66 metal aluminum housing, the cameras can be installed indoors & outdoors. [Remote Monitoring]: Supporting Android and ios mobile phones and tablet pc to view images and sounds. Free app allows you to access all your cameras remotely. Support simultaneous remote monitoring of multiple devices. [Smart Human Detection]: Smart Poe ip cameras can identify people to minimize unwanted alerts triggered by animals or shadows. Configure the areas you need to pay attention to and get alerted when you really should. [Ethernet cables of Different Length]: 4x 150ft, 12x 100ft and 8x 60ft cat5 ethernet cables 32ch True 4K Ultra hd set, 16ch 4K Poe nvr and 20pcs 8mp Poe cameras, ensure you the highest quality view of your surroundings. Super-wide 2.8mm lens allows you to cover more ground and widen the camera monitoring view. With ip67metal aluminum housing, the cameras can be installed indoors & outdoors.