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: The mini portable electronic scale can weigh various small and light items such as food, gemstones, coins, jewelry, and gold; includes four measurement unitsg, oz, dwt, and ctfor convenient weight conversion and quick switching between units. Constructed with high-quality metal and plastic housing for durability and portability; compact dimensions of approximately 2.5 x 1.3 x 0.6 inches (64 x 34 x 15 mm), lightweight and easy to carry. Note: 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 digital scales designed in a car key shape, modern and simple; advanced sensor technology ensures fast and accurate response; easily attaches to keychains for convenient transport. Product package quantity: 4 Features: - Practical design: The car key-shaped electronic scale can be attached to a keychain for enhanced portability. - LCD display with blue backlight for clear visibility in low light. - Sleek design, functional performance, and versatile applications. Usage precautions: 1. Measurement error range is within 0.005g. 2. Use the scale in a stable, wind-free environment. 3. Calibrate and use the tare function before each weighing session. 4. Keep the scale away from speakers and other magnetic sources.