On Amazon for prime members has the ACCUTECK All-in-1 Series W-8250-50bs A-Pt 50 Digital With Ac Adapter, Silver
Fold up mailer holder–stand upright to 90 degrees for rolling tubes and irregular packages
Capacity–up to 50lbs, sensitivity–0.1oz（0-25lb), 0.2oz(25-50lb), reading modes–pounds/ounces, ounces, kilograms/grams, grams
Key functions–tare(allow you to reset the display to 0.0), hold (especially for weighing a over-sized item)
Self-calibration technology–does not require a 50lbs weight, you can choose any known weight starting from 5 lbs. for calibration purpose
Power– run on 3 x AAA batteries or 5v adapter (both included)
