What if you knew how many watts that pump really was using? Now you can! Say hola to the Kill-a-watt meter. Your life will never be the same again. What does it do? It is a cumulative Killowatt-Hour Monitor. You won’t have to play the guessing game anymore. In addition to kilowatt it also display Volts, Amps, Watts, Hz, VA, has a 0.2% accuracy rate and a large LCD screen. The best part? You can pick it up for under $20.