A home electricity energy monitor is an easy way to see how much electricity you're consuming - as you use it - and what it costs. It provides prompt, convenient feedback on electrical energy consumption. Some devices may also display cost of energy used, and estimates of greenhouse CO2 emissions in real time. It is also known as a "real time display". People who adopt home energy monitors tend to find that their energy usage drops by between 5 percent and 15 percent in the first year of using them. Various studies have shown such a reduction in home energy consumption. A wireless smart electricity monitor is a device used to monitor electricity consumption, adopting the wireless technology. In a typical wireless electricity monitor configuration, a unit that measures energy output is connected to the electricity meter in a home meter box, and that unit transmits information about energy consumption wireless to a display unit. The display unit shows the amount of power be...