Usage Tips: 1. High-speed wireless transmission: Supports mobile app connection, one-stop management of data files. Can store over 2000 bin files offline with full data synchronization updates. 2. Automatic production, independent use: Does not require a mobile phone, can be used offline. Clear screen display for easy viewing. One-click start to automatically generate data, efficient and supports multiple card operations. 3. High-quality chip: Intelligent sensing, sensitive and fast response, one-touch swipe. 4. Long-lasting battery life: Designed with low-power technology and energy-saving principles. Equipped with a button battery that can last up to 180 days under normal use. Factory batches may vary. Minor differences in labeling do not affect product functionality. Color: White Material: Plastic Package Contents: 1 x Handheld Emulator Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance: +/- 1-3 cm.