ZWave.me brings a cost effective Z-Wave Chip with an extremely robust feature set. This USB Z-Wave interface can be used in conjunction with a computer or a NAS drive like Western Digital My Cloud. This USB allows you to take and centralize control of the 1300+ zwave smart home devices currently available. With Z-Wave Plus your range and bandwidth are extremely increased making you think why did you use it sooner. This device can be used by beginner to advanced DIY smart home enthusiasts. Some advance features like Frequency changes can be used for troubleshooting and testing. Once the UZB is paired to a software suite like Z-Wave (not included) it turns into a Zero Monthly cost Home Automation power house. Used by installers and programmers no body makes a better Z-Wave Chip then ZWave.me. * Do I need Z-Way License Key? Z-Way is just software like Homeseer, OpenZWave, Indigo and InControl. If you plan to use any of these software platforms with your UZB then no you do not need to buy a Z-Way License Key. The only time you would buy a Z-Way license key is when you plan to use it as your home automation software running on your computer.