Upgraded Night Vision Power Meter Plug, Power Consumption Monitor Energy Voltage Amps Electricity Usage Monitor Digital LCD Display, Overload Protection, 7 Display Modes for Energy Saving, Watt MeterOverload ProtectionOverload warning displayed on LCD, when the whole power exceeds the rated power 1650W of monitor, LCD will display "OVERLOAD" with booming noise to warn the user, and automatically disconnect the power. Upgraded Digital LCD Display The power consumption monitor with a large clear backlit LCD display, full wide view clear visible, make it easy to read and record the data, especially in the darkness. Electricity Usage MonitorWith the