Not all scales are created equal. Depending on what you’re shipping, you’ll want to check these three specs:
Look for a scale that offers both a USB/AC adapter and battery power. You don’t want it dying mid-shipment. buy postal scale
If you only mail letters and small padded envelopes, a 5–10 lb capacity scale is fine. If you ship heavy boxes or car parts, look for a "heavy-duty" model that goes up to 50 or 100 lbs. Not all scales are created equal