LASA package scale max weigh up to 39kg with 10g. Measures in lb/kg/oz/g/lb:oz. It can meet all your needs and applicable for small business mail scale to ensure correct postage without over payment. Flip - Up: The shipping scale with a flip-up lid 90 on the top of the scale platform for small objects that need support to stand and roll, like a long envelope mail. The lid will gently hold the object in place for accurate measurement results. Hold: Press the hold button if you cannot see the display weight due to item size, it will lock that you see the last weight on the postage scale after the object has been removed. And Tare button helps you to reset the display to 0.0 obtain net weight easily. Auto Off: This postage scale with a large back-lit LCD display is visible numberin any light. It can use 2 AA batteries or an AC adapter, and it will auto-off in 180s(adjustable), which you can use it wherever you need and save power when not using.