The Fibaro Z-Wave Wall plug enables you to wirelessly control any appliance connected to it. But that"s only part of the story. This ultimate wall plug also shows you how much power is being used, allows you to measure power consumption across days and weeks, and can test the range of your Z-Wave network. Plug & Play Simply plug the Fibaro Wall Plug into any electrical outlet, connect an appliance to it, then add it to you Z-Wave network by pressing the "B" button socket. That"s all it takes. Power Management The wall plug features a beautiful full colour crystal LED ring that gives you a visual indication of how much power the appliance is using. The LED ring changes colour depending on how much power is being consumed, starting with blue and moving through green, red and finally violet. It can even send an alarm if the power consumption goes above a preset limit. Energy Monitoring The wall plug provides a real-time report of energy usage to your Z-Wave central controller. You can see how much power is being used and make decisions on how to save energy (and money), you can also look at historical information, display them in charts and look at your top-5 power hungry appliances. Z-Wave Network Range Tester The FIBARO Wall Plug has a unique feature of being able to test the coverage of your Z-Wave network. Simply press the button on the plug?s casing for a few seconds. The LED"s purple light informs you that the plug is in testing mode, after a few seconds the LED will chang