Digital Weight Postal Shipping Scale Letter Package Mail Box Post Office 75 lbs. Capacity75 lbs; Sensitivity: 0.2 oz. Measuring units: Pounds / Ounces, Kilograms / Grams. Functions: Mode, Tare, Lock and Auto Off. Note:For return policy in non product problem,customer has to response for shipping fee and 15% restore fee,And please return within 14 days.