Type: Female to Male DC Power Adapter; Hole Diameter: 5.5mm; Pin Diameter: 2.1mm | Contact part is made of copper material, good conductivity and durable, easy to use, long service life | Convert the power supply with 5.5x2.1mm interface to 4.0x1.7/5.5x2.5/3.5x1.35/5.5x2.1mm power connector, so as to charge laptop etc | Suitable for laptop DC adapter, portable power source and computer maintenance, etc | Package includes: 10 x Female to Male DC Power Adapter

Includes 12-piece MHS012 power supply mounting bracket, switching power supply mounting bracket, and switching power supply mounting bracket kit (with 12 screws). | Product features: easy to install, not easy to fall off. | Product design: L-shaped design combined with the side of the bracket can be firmly fixed in the cabinet hole. | Other uses:Besides fixing the switching power supply, it can also be used to fix other items if the mounting holes are the right size. Easy to use, it can help you install the power supply easily and provide you more working space. | Application: For NES/LRS series power switches.

Includes 6 Sets Outdoor Network IP Camera RJ45 Waterproof Connector Top Cover CCTV Pigtail Cable POE NVR System Connection Cover Adapter Weatherproof Protector (4pcs/set), White. | Made of high quality materials, durable and practical | Rugged, long-lasting and delicate | Finished RJ45 modules pass without disassembly | Please note that the inside diameter of the dust jacket is 19 mm (not 17.5 mm) as shown below. Please make sure that your cable connector fits into this waterproof housing.