B07Z43H7RY Swann DVR4-5580 DVR-5580 4 Channel 4K Ultra HD DVR Security System | 1TB HDD, HDMI, BNC

Works with certain Swann Cameras, see description for details. Works with Google assistant for voice control
True detect technology for heat-based, motion-activated recording and alerts
Dropbox INTEGRATION with quick shot cloud for storing still images
Compatible with iOS, Android, windows, Mac OS, and Chrome Cast
4 Channel DVR, DVR4-5580, 1TB Hard Drive, BNC Connectors, Will not work with POE Cameras