M2-box Mini Cctv Dvr 4 Channel Video Recorder Full D1 P2p Cloud Hdmi Output 1080p Dvr System 3.5"hdd - Unknown - AliExpress
Amazon.com : ANNKE 32CH H.265+ 3K Lite Security AI Digital Video Recorder with Human/Vehicle Detection, 5-in-1 CCTV DVR for Home/Business Surveillance Camera System, 24/7 Recording, P2P Technology, NO Hard Drive : Electronics
Modulus Media Systems Unveils Its New Modulus M2 4K Media Server and DVR at CEDIA 2022! - YouTube