Want to save money power meter is designed to help you cut down your energy costs. The power meter is the best meter in the market - designed to easily monitor your energy consumption and help assess the efficiency of your appliances. This PM3000 measures energy consumption in kilowatt hours, the same way as the utility companies do, as well as: Volts, amps, watts & Hz. The product features an easy to read lcd screen so you can easily view, calculate and forecast your costs. The easy-to-use meters feature only two or three buttons compared to competitors' products with five . The power meter guarantees quality - offering the best in the market warranty of 2 years.