DC coupler 4 to 1
With this DC coupler it is possible, to with 1 power supply 4 beveiligingcamera's to feed.
This solution saves space on an outlet, where you are normally 4 Sockets for needs is now solved with 1 outlet.
The length of this power adapter plug is about 30 cm. divide suitable for DC plugs, with a diameter of 5 mm.
Note the amperage of your security cameras!
It is not advisable, to feed 4 security cameras, with a 500mA consuming and use a 1A power supply!
So always pay attention, how much power your security camera uses.