... LN 5. Capacity:10t, 15t, 20t, 30t 30t SZ-BC Wireless Crane Scale with IndicatorImpact resistant all steel construction for RFI ... display selectable.LCD display with LED background lighting. Radio data transmission >100m (when unobstructed).Data signal strength & Power level monitor.Custom built option ... (6V/10Ah) for scale. Memory store up to 2900 weight data set. Rated Capacity (ton): 2, 3, 5, 10, 15, ...