Features: Tare range, Precision Tare Button calculates the net weight of your ingredients. Utilizes high precision sensor system to get an accurate reading every time Auto power off after 1 minute for energy saving. The flip-down shield protects the delicate weighing surface. Able to weigh in various measurements, making it perfect for all your weighing needs Great for weighing gold, powder, medication, diamonds, platinum, gold, silver, herbs, etc. Descriptions: Model: CX-128 Units: g/ct/dwt/gn/oz/ozt Capacity/accuracy: 20g/0.001g Error range:+-0.003g Power supply: 2 * 1.5V AAA batteries (included) Working temperature: 0-40 degree Auto off: 1 minute Button: Mode, Tare, Pcs, on/off Specifications: Material: plastic, metal Pan diameter: about 5cm Size: 11.5*6.5*1.7cm Color: black Package included: 1 x Digital Milligram Gram Scale 1 x 50g calibration weight 1 x Tweezers 1 x Small pan Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks