1.440LB / 1OZ Postal Scale: Maximum capacity: 440lb / 200kg, minimum readability: 1oz / 20g / 0.04lb, EST digital shipping scale is designed to provide accurate weighing for all small items (even as light as 6oz) or heavy packages. 3 weighing modes: kg, lb:oz, lb, to meet a variety of different weighing needs. 2. Lightweight and easy to store: The weighing platform is made of durable plastic rubber material, which is lightweight but also sturdy. You can easily move the parcel scale to anywhere you need to weigh the package and store it in a friendly way. 3. Hold and Tare: The Hold function locks the weight on the screen, which is easy to read even if large items block the view. The Tare function makes it easy to zero the container weight and get the net weight. These useful functions help you pack, calculate and ship efficiently at the post office. 4. Bright LCD display and dual power supply: The postage scale will not automatically shut down by default, and the backlit LCD display is clear and easy to read, and can be moved by the connecting line, which is clearly visible when weighing large items. There are two pin slots on the rear of the scale for wall mounting or other heights. It can be powered by batteries or a USB DC adapter (both are included).