Product features:

1. High precision STRAIN-GAUGE technology perfect for weighing packages for shipping

2. Customized unit function (allows users to define a preset unit for weighing)

3. Durable stainless steel platform

4. Extendable digital display for easy reading

5. 3 buttons soft touch operation

6. Tare (add-on) function

Specifications:

Capacity - 100kg or 220lbs ; Graduation - 50g or 2oz

Power : 

1 x 9V alkaline battery (6LR61 or equivalent)  or

1 x 9V (100mA) AC/DC adapter