Practical design: The built-in sensor system of the mini portable scale provides instant and accurate results. The maximum weight capacity is 200 grams with a weighing accuracy of 0.01 grams. Features an LCD display and tare function for easy operation. Easy-to-read electronic scale for a wide range of uses: This mini portable electronic scale is ideal for weighing small and light items such as food, gemstones, coins, jewelry, and gold. Includes four measurement units—g, oz, dwt, and ct—for convenient weight conversion and quick switching between units. Constructed with high-quality metal and plastic housing for durability and portability. Compact dimensions: approximately 2.5 x 1.3 x 0.6 inches (64 x 34 x 15 mm), lightweight and easy to carry. Caution: This product does not include batteries. Ideal gift choice: The portable electronic scale is compact, stylish, and user-friendly, making it a great gift for family, friends, or colleagues. Package includes: 4 mini scales designed in a car key shape, simple and modern. Advanced sensor technology ensures fast and accurate measurements. Easily attaches to a keychain for convenient portability. Features: - Designed in a car key shape, can be hung on a keychain for easy carrying. - LCD display with blue backlight for clear reading in low light. - Sleek design, practical functionality, and broad application. - Measurement error range within 0.005g. - Use in a wind-free, stable environment for best results. - Calibrate and use tare function before each use. - Keep away from speakers and other magnetic sources.