... 2,crane scale. 3,Adopt SMT technology. 4,scale indicator. scale indicatorModel: 28280 Weighing IndicatorSpecial features :1) Adopts ∑-Δ A/D conversion technology ... searched.8) With rechargeable 4.8V/2.8AH battery for indicator, no memory. Scale body with power supply of DC ... 6V/4AH battery.9) Power saving mode, indicator will turn off automatically after 30minutes with no operation.Technical ...