Panasonic kx-hn6010spw – Home Safety Starter Kit

I've given this system 4 stars, as it seems to be a really good, well made security system as far as it goes. It seems like this is a product which might be developed in future to include other ads ons, but it seems like the main component which it is missing is an external alarm. If an external alarm formed part of this security system, it would make it much more viable.