This scale is a mini professional digital scale with 7 units of g, ct, dwt, ozt, gn, t and oz, designed for weighing gold, jewelry or kitchen baking material, etc. Features: Simplified Design: Stainless steel platform and green back-light LED display. Compact Size: One-hand handle, easy to carry Two Modes of Power Supply: USB Plug-in Use or use with Battery(not included), more convenient. Optional Capacity: 500g/1kg capacity with 0.1g accuracy OR 100g/200g/300g/500g/600g capacity with 0.01g accuracy. Weighing Accuracy: The high precision strain gauge sensor system ensures a precise result. 7 units to switch: g, ct, dwt, ozt, gn, t and oz. Multifunctional scale for weighing gold, jewelry or kitchen baking material, etc. Count and Tare: The count function gives you an accurate count and tare weighing function ensures a more precise result. Auto Power-off: Auto power-off feature saves battery life for long lasting use and easy on-key calibration. Specifications: Platform Material: Stainless Steel Case Material: ABS Plural Capacity/Accuracy: 500g*0.1g/1kg*0.1g/100g*0.01g/200g*0.01g/300g*0.01g/500g*0.01g/600g*0.01g (Optional) Units: g, ct, dwt, ozt, gn, t, oz Auto off: 1 minute Color: Silvery Back Light: Green Backlight LCD Power Supply: 2 * AAA Battery(not included) Or USB Plug-in Use Function: Tare, unit switch, count, ON/OFF Item Size: Approx. 12*6.5*1.7cm/4.72*2.56*0.67in Item Weight: 90g/3.17oz Package Size: Approx. 14.3*9.4*2.9cm/5.63*3.7*1.14in Package Weight: 150g/5.29oz Package List: 1 * Digital Scale 1 * USB Charging Cable 1 * User Manual(English)