Advantages: -Large LCD Display The energy monitor is built with a large digital display screen which can be seen from far away and is very easy to read in good light. -Memory Function Save data automatically (power consumption, electricity cost, cumulative time), avoid data loss due to a sudden power outage. -Overload Warning Once the load exceeds the power value you’ve set or 3680W, there will be a flashing “OVERLOAD” icon on the screen, so you will know which appliance is high energy consumption. -Multiple Measurement Function Watts, Current, Voltage, Frequency, Power Factor, VA (apparent power), Max/Min power, Accumulated Time, Power Consumption, Cost.