I have spent my entire working career in the security industry designing, selling, and installing alarm and camera systems. At DefendItYourself.com we only sell products that we have spent years testing and installing in our other business. Our existing relationships with manufacturers allow us to provide commercial-grade security cameras, network video recorders, and accessories at just above wholesale pricing. We sell Hikvision OEM products which are the number one used by professionals worldwide. We have everything you should need to complete your system. Thank you for visiting our site it means the world to us!