When you are installing CCTV Camera or om projects on a breadboard you have to power the DC connections of the camera either through an SMPS DC Source. Often they have a male connector for supply. To give you a very simple way to connect the power to your breadboard without the need to cut the power supply connector you can use this 2.1mm x 5.5mm DC barrel jack connectors which is a standard connector that is used in most of the CCTV camera power applications and DIY projects. This will save time, cost of installation, and would be a very reliable method of powering the device. 

Specifications

• Secure and Sturdy cable connection for reliable application
• The internal diameter of the DC Barrel plug: 2.1mm
• The external diameter of the DC Barrel plug: 5.5mm