AimHD ---- We are Aiming at High-Definition As a leader in security surveillance cabling and accessories for both businesses and homeowners, AimHD is committed to keeping an eye on the things you care about most. Our security cabling products are designed and engineered for ease of use, reliable, stable and cost effectiveness in mind for HD CCTV camera system With these AimHD 4 Pair Brand New RJ45 uPOE Cable Combiner, You can easily integrate them to your CCTV POE NVR system, enabling you to provide 10/100 Mbps data speed to 2 cameras over single Ethernet cable, they are actually a great addition to any network devices you might have, from a CCTV camera system to a PC, it provides a low coast solution for either use case, save the cost on cables, tubes,installation and time. It just simplifies everything, also keeps the installation looking professional. Seller Warranty Description All purchases include AimHD's One Year Domestic Warranty plus Lifetime Support. Enjoy peace of mind knowing that if your AHD-RJ45-COMB-4PR ever stops working within a year of purchase, it will be replaced promptly from our US based operation. Contact us if you have any question or concerns, a prompt service is guaranteed.