scale indicator 1,indicator. 2,manufacturer. 3,crane scale. 4,manufacturer. scale indicatorSpecial ... .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 ... transmission distance100 meters (in wide place) 680DT scale indicator