Two minor break-ins in the last few years at the business park where the office is. Not enough to warrant signing up with ADT etc. so really just looking for a mild deterrent for anyone who does break in to cut their time short. There is 24hr security on site so an alarm going off will get their attention as well. Any recommendations for something I can put up myself?
Saw these on takealot but the company seems a bit meh and it's not clear where to get more sensors (their website is a joke).

www.takealot.com
Saw these on takealot but the company seems a bit meh and it's not clear where to get more sensors (their website is a joke).

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