Frustrated about your energy consumption? Try monitoring your monthly energy consumption with the Kill A Watt Usage Monitor.

Kill A Watt Monitor

It comes with an LCD display so you can easily view the number of kilowatt-hour used, it helps monitor voltage, line frequency and power factor. Great for knowing what machines are actually wasting a lot of energy. Try it now and reduce your monthly electric bill.

– $24.99 at thinkgeek