USB connection: The USB cable eliminates the need to constantly replace batteries, making this scale highly efficient. You can easily switch between units mg, g, oz, tl, ct, gn, and dwt to meet various weighing needs. Multiple practical features: The digital scale includes tare function for zeroing, overload protection for long lifespan, low battery indicator, and a counting function. Stable standing: The scale is equipped with a non-slip bottom, ensuring stability during use. Adjustable auto-off time: Choose from four auto-shutdown modes—60/120/180 seconds or disable auto power-off completely, based on your preferences. Integrated wind shield: The scale comes with a built-in draft shield to prevent items from being blown away during measurement. Arc-shaped weighing platform: The round platform with a slightly raised edge provides a smooth and accurate weighing surface. Specifications: Color: Black Material: ABS Units: mg/g/oz/tl/ct/gn/dwt unit switching function Dimensions: 12 x 7 x 3.8 cm Package includes: 1 x Electronic scale 1 x USB cable