Specification Brand : Walfront BulletPoint1 : [Immediate Response]: power supply from overvoltage, undervoltage, or overcurrent, automatically turning on when voltage returns to normal. BulletPoint2 : [Backlit Display]: Red backlight provides visibility in low light conditions, with a white backlight indicating proper functioning. BulletPoint3 : [Smart Bidirectional Metering Reclosing]: Monitor important parameters such as voltage, current, and power factor with ease. BulletPoint4 : [Error Recording]: Identifies and resolves potential problems by recording errors like overvoltage, undervoltage, overload, and current imbalance. BulletPoint5 : [Comprehensive ]: , undervoltage, overload, undercurrent, and phase loss ensure safety for your electrical equipment. IncludedComponents : No ItemName : Smart Energy Monitor 60?300V 100A Voltage Current Power Factor Meter with LCD Display Overload 3P 4W Bidirectional Metering Energy Voltage Photovoltaic Smart Meter ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : industrial-power-meters Manufacturer : WALFRONT MeasurementAccuracy : 1 ModelName : WALFRONTv2grmibdnh ModelNumber : WALFRONTv2grmibdnh NumberOfItems : 1 PartNumber : WALFRONTv2grmibdnh ProductDescription : 1. SMART BIDIRECTIONAL METERING RECLOSING: Multi function voltage protector with LCD display allow you to easily monitor important parameters such as three phase voltage, current, power factor, frequency, etc. 2. COMPREHENSIVE : The provide , undervoltage , overload , undercurrent , delay , voltage imbalance , current imbalance , phase loss and a series of functions. Each parameter can be set to a motion threshold and on or off 3. IMMEDIATE RESPONSE: In the event of overvoltage, undervoltage or overcurrent, the smart energy meter the power supply immediately to avoid damaging your electrical equipment. Once the voltage return to normal, the is automatically turned on again 4. BACKLIT DISPLAY: The backlit display does not move at all for 180 seconds, and the LCD display has a red backlight to ensure a clear view even in low light conditions. When the is working properly, the backlight turn white 5. ERROR RECORDING: photovoltaic smart meter record a variety of errors, including overvoltage, undervoltage, overload, micro current , voltage imbalance, current imbalance, phase loss , etc. This can help you identify and resolve potential problems immediately