1. Strong vibration design, fast filling speed and no blocking. 2. Adopt microcomputer control technology, high accuracy, equivalent to electronic scale weighing. 3. Accurate weighing, automatic discharging with a foot pedal, convenient and fast. Power Supply: 220V -50HZ/110V-60HZ 300WWorking Speed: 10- 25 times / min (depending on materials and packing weight).syi