Monitor your home or business with the 8-channel 4K UHD DVR with 2TB HDD & 8 4K outdoor night vision Bullet cameras from Swann. The DVR comes with a installed 2TB HDD to store video from the included Bullet cameras. Hdd Storage is expandable to 6TB. With the free home safe 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 deliver a 90 Degree field of view and up to 150' Of night vision. Additionally, they all feature a PIR motion sensor with 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 enclosure, making them suitable for outdoor use.Protect your loved ones & property with this multi-camera, wired surveillance system with everything you need to do-it-yourself or have it professionally installed