CCTV can seem a bit of daunting thing to get into for the novice DIYer but with modern technology advances such as pre-installed systems and plug and play technology in reality the hardest task is drilling a few holes and running some wires.
Modern CCTV system with consist of a digital video recorder (DVR) box, cctv camera and cables to connect to TV and internet if needed.
You can connect the CCTV DVR to your TV via a HDMI cable. The HDMI cable will covert audio or video to playable content from your CCTV camera to TV.
Most CCTV systems also have the option to connect to the interner via a ethernet cable so you can view your CCTV camera on your pc or mobile device. Yale CCTV systems also have the option to view your CCTV video via their mobile phone application.
Tradionally CCTV cameras would need to be connected to digital video recording box (DVR). Modern smart CCTV cameras have intergrated memory and can store video footage internally or even upload to the internet via WIFI.