1. Real-time Monitoring: The measuring socket supports the measurement of parameters such as voltage, current, accumulated electricity, accumulated electricity bills, and current. 2. Only Two Function Buttons: Mode and up. The function interface is concise and clear, easy to understand and adjust. There is a reset hole in the middle. If you need to reprogram, just insert a paper clip into this hole. 3. High-resolution Digital Display with Backlight: The backlight can always be turned on or off after a delay of 20 seconds, so you can easily read in dark environments. 4. Power-off Memory Function: The built-in buffer battery can keep memory settings and store power even in the case of power failure, so you don't have to worry about data loss. 5. Wide Application: Suitable for indoor use, without disturbing your normal rest and work. Just plug the plug of this ammeter socket into the socket to charge normally, and it is suitable for devices such as computers, game consoles, printers, , refrigerators, air conditioners, , etc. :ELECTRICAL Model Number:Power Metering Socket Working voltage:230V 50Hz Working current:Maximum 16A Wide voltage range:230V-250V Timing display range:0 seconds to 9999 days Rate display (watts):0W-9999W Voltage display range:0V-9999V Current display (Ampere):0.000A-16.000A Frequency display:0Hz-9999Hz Minimum power display range:0.0W-9999W Maximum wattage display range:0.0W-9999W Price display range:0.00C/KWH-99.99Ckwh Total kWh cost display:0.000KWH-9999KWH Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC230V Colour:White Material:ABS Package Contents: 1 * Power Metering Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.