The Belkin Conserve Insight Energy Cost Monitor helps you measure the true impact of your energy use on your utility bill - and the environment. Find out how much energy your devices really use--including watts, the cost of operation, and the amount of carbon dioxide (CO2) emissions--with the Belkin Conserve Insight Energy Cost Monitor. At a glance you can see exactly how much electricity is used by devices like computers, televisions, kitchen appliances and more. The monitor also shows the carbon dioxide emissions produced as a byproduct of your electricity usage. With this monitor, you get a clear idea of the true impact to your wallet--and the environment.