I'd like to ask if it's safe to use a PSU to just power CCTV Cameras and recorder (which uses 12v) without using a computer. (are there things i should watch out if i do this like using dummy loads ...

Bosch Security Systems, Inc. announces IP power supply units (PSUs) for the MIC Series 550 (pictured) and MIC Series 612 ruggedized pan-tilt-zoom cameras. The new PSUs feature an integrated IP video ...

Quick answer: Yes, there are many security cameras available that operate on battery power. Installing a home security camera lets you maintain vigilance over your property for added peace of mind.