... error not more than 5s3. Adopting inset crystal hardware clock circuit, with temperature compensation circuit to ensure under the ... sharp, peak load, day hour, low load energy, etc. LCD display recycled. After energy meter connect electricity, date, time, ... Battery Voltage3.0 or 3.6VDCData Preservation Time≥10yearsPower Consumption(LCD)Voltage circuit consumption: ≤1.0W 6VACurrent circuit consumption: ...