Our product also has a data eraser function (press the button for 10 seconds), which can delete or recycle data. Due to microelectronics and digital processing technology, the display is accurateLCD Power Meter Ammeter, High Reliability, Advanced Technology, 35mm DIN Standard InstallationThis power meter ammeter can measure energy when measuring electrical energy, and is clearly displayed by LCD backlit screen. There is also a blue backlight so you can read it at nightHigh stability, anti-theft and long life. It has a memory function that can store existing data even if it is turned offLow power consumption, high stability, anti-theft, long service life. Has a memory function that allows you to store existing data even when power is turned off.