... and surveillance 1. Large wide temperature (-30ºC--80ºC) LCD display ; 2. 8 digit LCD display, 6 integer and 2decimal; 3. ... 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: ...