LCD Digital Price Computing Electronic Food Scale Working power: 110V, built in rechargeable battery, In Kg only Capacity: 30kg, division: 5g, 8 Memory function keys 3 LCD screen display front and back, displays weight, unit price, and total price High accuracy sensor and high accuracy amplifier, low voltage auto-alarm The direct current battery automatic charge, it will alarm if it overweight 0.15% of the maximal weight