The D861B Series 4K Ultra HD Digital Video Recorder (DVR) is the perfect cornerstone for any house and small business security camera system. Along with sharp 4K recording capabilities and active deterrence security camera support, this DVR features smart motion detection that limits notifications to only people or vehicles. It also includes a security grade hard drive that keeps your data private and secure with no monthly storage fees. Easily paired with our Lorex Home App for quick remote viewing and other smart home hubs for additional voice-control options, this DVR is built to not only meet, but to exceed, your everyday demands of security monitoring.