A DIY approach is the 'plug and play' system
These types of cameras tend to be a lot smaller, and have basic security features.
Generally, they are cheaper than professionally installed systems because you won't be paying someone else to install it for you, however, you'll need to know how to install it, maintain it and integrate it with any other security solutions.
An audit of your property is undertaken to identify key areas for the cameras, which are then configured and installed by an experienced Security Engineer
Whilst ensuring you have the best viewing angles and set you up for optimum recordings.
How you intend to access your footage
How you choose to store your footage
How to protect your business from hacking into your security system.
A commercial CCTV system is going to be more expensive but it will last you a lot longer, too. For example, we've installed CCTV systems that have lasted customers 10 years+ compared to DIY installations that haven't produced quality security footage past 2-3 years.