Mains Power Meter
You can enter the local price of your electricity and the meter will tell you exactly how much the appliance/s are costing to run. In addition, the power meter tracks the total energy used and can display the instantaneous voltage or current as well as the peak levels. The meter has backup batteries so it will not lose the stored data during a blackout or moving from point to point. Simple to install and a valuable tool for doing simple energy auditing around your home to educate yourself about your energy usage and work out where your energy is going.