Enhanced capacity with higher precision - This postage scale weighs up to 110 pounds in 0.1 ounces graduation. It can meet all your needs from a first-class package to parcel packages. Multi Measuring Units - This new compact and light weight shipping postal scale has five measuring units: pound , ounce , combined display (Kg : g, lb : oz) , PCS function. Extra Large LCD display - The extra large back-lit LCD display allows you to work under any environment. Convenient Tare Function - Shipping scale features tare function which allows you to zero out the number for multi-packages purpose. Or use the tare weighing option to subtract the weight of an empty box or container for net weight determination. Hold Function - Hold function allows you to lock the number after you take the package off the platform. Especially useful for over-sized package. Power supply : 3 x AAA Battery (Not Included), AC adapter (Included). When using on Battering, it will turn off automatically after 90 seconds. When using Ac adapter for power supply, it won't turn off automatically.