GoKawiilIf you’re going to pay $50 to over $200 for a home security camera or video doorbell, you may be wondering if it’s worth it. I found the research that provides the statistics you’re looking for, and the difference is clear: Adding a security camera really does cut down on attempted break-ins and theft.
The best study on the subject, called “Understanding Decisions to Burglarize from the Offender’s Perspective,” was conducted by the University of North Carolina at Charlotte, along with other colleges and organizations, like the Electronic Security Association, offering support. This project interviewed over 400 burglars to learn more about their habits and motives.
One result caught my eye. The majority of burglars said they considered warning signs when selecting a target and specifically called out not only alarm signs but also outdoor cameras, surveillance equipment and increased security in general. Overall, 83% of interviewees said they tried to find out if the home had a security alarm, and 60% said they would choose another target if they noticed the alarm (down to 50% if they noticed an alarm halfway through breaking-in).
While the questions specified a security alarm, I think today’s outdoor security cameras and video doorbells with their lights, sirens, audio and alerts qualify. Most burglars are aware of how only a single device can give them away.
However, note that it is important that the doorbell or camera is visible. Research confirms that burglars need to notice the security device for it to prevent crime, so think twice before hiding cameras.
Read more: We Asked a Criminologist About the Habits of Burglars
Other statistics back up these findings
Blink’s Outdoor 4 camera isn’t just easy to use — it also lasts a ridiculously long time per charge. Tyler Lacoma/CNET
It’s difficult to find high-quality studies on the effects of home security devices because accounting for variables and measuring residential property crime can be very challenging. Most studies in this area focus on commercial camera systems, like city CCTVs, which is less useful for people buying security equipment.
One additional standout study, called “Public Area CCTV and Crime Prevention: An Updated Systematic Review and Meta‐Analysis,” showed noticeable reductions in general areas but a large 51% drop in crime when cameras were added to car parks and lots. I like this particular research because searching out parked vehicles to look for easy, lucrative break-ins is similar to burglars scouring a residential neighborhood, so related effects are likely.
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