High speed wireless transmission: Supports mobile app connection, one-stop management of data files, store over 2000 bin files offline with full data synchronization updates Automatic operation, independent use: Does not require a smartphone, can be used offline, clear screen display, one-click start to automatically generate new data, efficient and convenient High-quality chip: Intelligent sensing, responsive and fast, one-touch swipe Long-lasting battery life: Utilizes low-power technology and energy-saving design, button battery lasts 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 Only the above items are included; other items are not included Note: Lighting and screen differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm