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
Factory 7 inch HDMI LCD (H) Computer Monitor 1024*600 IPS Capacitive Touch Screen Supports Raspberry Pi hd monitor Win10 etc
Aliexpress UK
Automatic sleep function reducing energy costs and conserving energy. 【Very extensive use 】: This small portable monitor provides a rich set of video input options - including 1x HDMI port for Raspberry Pi, DSLR, PC or other devices with HDMI port use.
eBay
5MP Mini WIFI 4G Security Camera Wireless IP Camera Night Smart Home Baby Monitor Vision CCTV Surveillance Cam Security Camera
Aliexpress UK
【Very extensive use 】: This small portable monitor provides a rich set of video input options - including 1x HDMI port for Raspberry Pi, DSLR, PC or other devices with HDMI port use. By plugging with a TV-stick, you can use it as a small TV.
eBay
27" IPS Screen Led Monitor Gaming DISPLAY De Pulgadas HDR600 5120*2880 Lcd 27 Inch Monitor 5k For Business And Gaming PC Monitor
Aliexpress UK
【Very extensive use 】: This small portable monitor provides a rich set of video input options - including 1x HDMI port for Raspberry Pi, DSLR, PC or other devices with HDMI port use. By plugging with a TV-stick, you can use it as a small TV.
eBay
27 inch LCD LED 4K Monitor 3840*2160 a cheaper substitute for Apple XDR monitor computer pc monitor desktop display 27" 60hz
Aliexpress UK
Support four video input: VGA, BNC, USB, HDMI, AV input, DC 12V. Built-in speaker with output power up to 1 W / 8 ohms; supports multi-format video input, including: VGA, HDMI, AV, USB, BNC, etc. Easily save workstation space and keep your desk tidy by allowing wires to move freely.
eBay
PC Monitor 26.5 Inch 2K 1920x1920 1:1 60Hz 5Ms Response Time IPS Square Monitor, LED LCD Ultra-Narrow Bezel Monitor
Aliexpress UK
Back of the monitor has a few light marks. The screen is in good condition. Used - Grade B (Tested: Fully Working).
eBay
27 inch LCD LED 4K Monitor 3840*2160 a cheaper substitute for Apple XDR monitor computer pc monitor desktop display 27" 60hz
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
8MP 4K WiFi Security Camera Home Indoor Baby/Elderly Monitor AI Automatic Tracking Night Vision Audio CCTV Security Camera
Aliexpress UK
Besides that, it also supports 5V/1A USB output, which can be used for charging for cellphone. This small HDMI monitor is designed with AV/HDMI/ BNC/VGA different input ports which allows you to use it in different scenarios.
eBay
Nvarcher 2.2 inch LCD Display Graphic Video Card Bracket VGA Holder Support RGB CPU GPU RAM Monitor AIDA64 for PC Gamer Cabinet
Aliexpress UK