DC 12v Power Cable 5.5mm x 2.1mm Barrel Connectors Pre-Tinned Copper Clad, Bnc Power Connectors，Easy To Weld And Install, Secure Connection And Rapid Transmission | 12 Volt Round Jacks, They are fairly long too, 11" total, 9.5" of wire.10Pcs Male DC Power Pigtail Cables Add 10Pcs Female DC Power Pigtail Cables. Cables Made From 100% Pure Copper Strands, | 12v Dc Barrel Connectors Provides A Simple And Secure Diy Solution For Dc Power Connectivity, Work With A Power Adapter Or A Power Supply Box | Compatibility: Easy DC Power solution, compatible with all CCTV systems and other 2.1*5.5mm DC power devices like part lighting or led strips. Very versatile. This 18AWG DC Power Pigtail provide a very good reliable DC power connection. | What You Get: 10 x Red/Black Male Pigtails DC Power Connectors, 10 x Red/Black Female Pigtails DC Power Connectors.

【Package Included】: 2 Sets x Alarm Magnetic Reed Switch;Model: MC-33C | 【Application】: The door contact sensors work as an anti-theft alarm, ideal for metal door and window. | 【Easy To Install】: Have small screw terminals which makes it much easier to wire. Closed loop magnetic contact that features a terminal block style connection for accepting wire. | 【Contact Type】: NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); When the magnet separate, the circuit is not conductive ( light off ) | 【Has many uses】 MC-33C Door Contact Sensorsthe door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system

DC CCTV Power Cord Coupler 12V 5.5mm x 2.1mm | Connect two Cables together using this coupler | Great for adding an extension to your existing cable | Compact Design - Space saving, grip treads help easy plugging and unplugging | What You Get: 10PCS Female to Female DC Connector, our worry-free 12-month warranty and friendly customer service.