You can connect CVBS security device by BNC port, this monitor is a good choice for your CCTV monitoring system. HDMI support format: 480i (60Hz), 480p (60Hz), 576i (50Hz), 576p (50Hz), 720p (50 / 60Hz).
eBay
7 Inch Portable Monitor 1024x600 IPS LCD HDMI-compatible VGA AV Input DC Type C Power Screen for PC
Aliexpress UK
Ports: VGA, BNC, USB, HDMI, AV input, DC 12V. This product has 4 kinds of input mode (HDMI, VGA, AV1, AV2), or a cable connection, press the AV1 / AV2 button, Switching input mode and a corresponding mode.
eBay
Computer Monitor 14"/15.6"/16" Touch Screen IPS Panel LCD HD Portable Monitor USB-C HDMI-compatible
Aliexpress UK
This product has 4 kinds of input mode (HDMI, VGA, AV1, AV2), or a cable connection, press the AV1 / AV2 button, Switching input mode and a corresponding mode. Ports: VGA, BNC, USB, HDMI, AV input, DC 12V.
eBay
8" Mini Portable Monitor 800x480 TFT LCD Touchscreen HDMI-compatible Type-c For Raspberry Pie
Aliexpress UK
Anything from 22" and larger will be fine. For sale are these fully functional, refurbished LCD flatscreen monitors. Available in 15", 17", 19", 20", 22", 23", 24" sizes and supplied with an HDMI adapter.
eBay
7 Inch Portable Monitor 1024x600 IPS LCD HDMI-compatible VGA AV Input DC Type C Power Screen for PC
Aliexpress UK
DELL UltraSharp U2415b. HDMI, DisplayPort, USB. There is no stand included. Your item will be dispatched within 24 hours (Mon.-Fri.).
eBay
10.1 Inch 1280x800 Touch Screen IPS LCD for Computer Monitor for Switch Xbox 360 HDMI-compatible
Aliexpress UK
Tested working The Hannspree 22" LCD Monitor is a high-quality display with a widescreen aspect ratio of 16:9, providing a Full HD resolution of 1920 x 1080. With both HDMI and VGA connections, it offers versatility in how you connect your devices. The sleek black design adds a touch of elegance to any workspace, while the 60 Hz refresh rate ensures smooth visuals for an immersive viewing experience. Perfect for computer work or entertainment purposes, this monitor from Hannspree is a reliable choice for those looking for a top-notch display solution.
eBay
Raspberry Pi Screen Touchscreen 3.5 Inch Mini HDMI Monitor LCD Screen 480*320 Compatible with
Aliexpress UK
Anything from 22" and larger will be fine. For sale are these fully functional, refurbished LCD flatscreen monitors. Available in 15", 17", 19", 20", 22", 23", 24" sizes and supplied with an HDMI adapter.
eBay
ZHIXIANDA H1208 8 Inch TFT LCD 1024x768 Screen Monitor With VGA HDMI AV BNC USB Sperkers For PC CCTV
Aliexpress UK
Ports: VGA, BNC, USB, HDMI, AV input, DC 12V. This product has 4 kinds of input mode (HDMI, VGA, AV1, AV2), or a cable connection, press the AV1 / AV2 button, Switching input mode and a corresponding mode.
eBay
7 Inch Portable Monitor 1024x600 IPS LCD HDMI-compatible VGA AV Input DC Type C Power Screen for PC
Aliexpress UK