【 SAVE ENERGY AND MONEY】: With this plug, you can identify which device is costing you the most and which one is using the most energy. You can also check how much your standby devices cost. By optimizing the management of your devices, you will reduce your energy consumption. Real time monitoring. 【OVERLOAD PROTECTION】: When the load of the connected outlet exceeds the set value, "OVERLOAD", will flash on the display and the LED indicator will flash to warn the users. You can also set the alarm for KWh. 【DATA MEMORY FUNCTION】: Built-in back up battery. When power off, all setting data and cumulative data (Electricity quantity, cost, unit price, time) will be saved. The data will be displayed again when power on. (not including current, voltage, power, power factors). 【MULTI-MEASUREMENT】:.
eBay