HDMI over Ethernet extenders are a great solution for wiring the HDMI video output on security camera DVRs over long distances and / or to multiple TV monitors.
VGA extender over cat 6 cable for CCTV DVR/NVR, The Monitor display will work up to 60meter distance
Diamond HDMI over Ethernet Kit IPC100 Transmitter and Receiver
How to hook up multiple monitors to my CCTV System
WIMAXIT 8 inch HDMI VGA Security Monitor 95% sRGB 690nit Display with VESA Mount for CCTV DVR Office
Instant Security Camera to HDMI Display Workflow
How to Connect Security Camera to TV: A Step-by-Step Guide
The HDCM-4K from Triplett is a 7” HD TFT LCD monitor with 1920 x 1080P and 1.4 HDMI. It connects using HDMI, Composite BNC-In/BNC-Out, and Component BNC. AC powered or uses an externally mounted, easily swapped rechargeable battery. It can be used for temporary or permanent connection to any NVR, DVR, Cable/Satellite box, computer, or other video source that has an HDMI or BNC connection.
Triplett 7 in. Ultra-Compact 4K Monitor HDCM-4K
Hiseeu 8CH 2K WiFi NVR 3MP Outdoor Wireless Security Camera System CCTV with HDD
HDMI Over Ethernet Converter Extender, HDMI over IP Switch Transmitter
HDMI Network Extender - Watch Security Cameras on Multiple TVs
IPCamPower POE Powered CCTV HDMI Monitor 21.5 1080p, 12V DC Power Output, Built-in Speakers, Designed for 24/7 Operation : Electronics
HDMI or VGA OUTPUT - Display HD Video direcly on TV or HDMI monitor without delay, no encoder or DVR is required. 5 MEGAPIXELS - 5MP (2560 × 1944)
LINOVISION 5MP HDMI Security Camera with HDMI or VGA Output, Display HD Video Directly on TV or HDMI Monitor Without Delay, HDTVI Loopout for