Monitor your home or business with the 16-Channel 4K UHD NVR with 2TB HDD & 8 4K Outdoor Night Vision Bullet Cameras with Audio from Swann . This NVR kit comes with a preinstalled 2TB HDD to store recorded video from the included bullet cameras. HDD storage is expandable to 6TB. With the free HomeSafe View app, remote viewing can be accessed via iOS and Android mobile devices, or a Windows or Mac PC. The included bullet cameras capture video at 4K resolution. They each feature a 93° field of view and up to 130' of night vision. Audio is possible thanks to a built-in microphone. Additionally, a PIR motion sensor has a range of up to 32', enabling the cameras to detect people, cars, animals, and other large heat-generating objects. The cameras are each housed in an IP66-rated aluminum enclosure, making them suitable for outdoor use.