Material: Plastic and Stainless Steel Sound function: Without Capacity: 50kg (suitable for large parcel weighing) Backlight: Yes (Blue or Green will be out Randomly) weighing error(d=10g): 10kg , the weighing error about + -10d Units: g, kg, lb, oz Product Features: 1. Precise & definite display, stable performance 2. Ultra-compact design, portable, impact resistance and cost-effective 3. Multifunctional net weighing, zero tracking, automatic power-off, unit conversion. This item is an excellent scale for house weighing, shopping and outdoor activities. Instructions: Hang the scale vertically. Press the ON/TARE button. because with single angle screen, it can be only read number from some angle. ----it is designed by factory, when you lift the digital scale inward with your hand, your eyes are at this angle range, you can clearly see the numbers. Package Included: 1 x 50kg*10g Digital Scale