Type : Measuring devices Display Resolution : 1497496 Operating Voltage : 220 V AC|50 Hz Max Permissible Error : +|- 1 counts Display Type : LED Seven Segment Tare Function : 100% of Max. Capacity Protection from the surge & fluctuation of power : (A) EMI Filter (B)Fuse Supply Regulation : Regulation In Internal DC Supply is with OV drop out Voltage Battery Back Up : 20 to 30 hrs. depending on weighing period