Z-Wave is a wireless based home automation system for controlling and automating lights and appliances. It can be used as a security system or to monitor and control your property remotely. Z-Wave is a protocol, it's not made by any one manufacturer or sold by any one company. To be classed as a Z-wave product they have to be certified and should work with other Z-Wave products. For an overview of Z Wave and what it can do for you view the following video, click here. (Note the video does take some time to start but it is worth waiting for)