FormatFlat or Tower. Tower is included in the scale box and can be easily set up by the user. Capacity / Accuracy6 kg - 2 g # 15 kg - 5 g / 15 kg - 5 g # 30 kg - 10 g. Display2 Displays (vendor+customer). Backlight LCD. Weight - Price - Amount. FeaturesPLUs: 100. Presets: 9 x 2. Tare and tare fixing functions. CommunicationsConnection to computer, EPoS or ECR, by means of incorporated RS-232 port. Communication protocols available for the main brands and models in the market. PowerMains or Mains + rechargeable battery, depending on model. In case of mains failure, the scale would automatically begin operating with rechargeable battery. The internal battery is recharged from the very scale. The auto switch-off time of the scale is programmable. Last of batteries: up to 120 hours, with fully charged battery and backlight off.