DC5521 Male to Right Angle Male: DC plug size: 5.5mm x 2.1mm,outer diameter 5.5mm, inner diameter 2.1mm. Connector 1: DC5521 male head. Connector 2: DC5521 male right angle head. DC12V cable: DC5521 male power cable is suitable for 0-12V equipment.Such as strip light, CCTV surveillance cameras, automotive electrical appliances, automotive amplifiers, circuit boards, etc. 1.8FT DC5521: The DC extension cord is 55cm long (about 1.8FT),which is enough to complete most of the projects.Wiring simple and easy to use Safe and durable: PVC sheath can protect internal conductor and provide flexibility for flexible cord to ensure long life. Light weight and easy to carry Note: This DC plug power cable only be used for power supply and does not support data tra.