This electricity usage monitor from P3 International is a must-have for anyone interested in monitoring their energy consumption. With AC/DC compatibility and a country of origin in China, this device makes it easy to measure your electrical usage and identify ways to save on your energy bill. The P4400 Kill A Watt model is brand new and comes in its original packaging, ready to be put to use. Take control of your energy consumption today with the P3 International P4400 Kill A Watt Electricity Usage Monitor.