If you're already using Hikvision cameras, then sticking with Hikvision's 16-channel NVR makes a lot of sense. Everything just works better together, the setup is smoother, and features like motion detection and line crossing work right out the box. Plus, the Hik-Connect app is easy to use, even...
I agree
The wireless Ajax outdoor alarm beam is perfect to put on your perimeter wall - installed a few recently and it's cool.
15m angle with anti masking etc. make sure to buy the hood as doesn't have the highest of IP ratings...