Lens protection and use instruction: The dust cover is designed to protect the lens. Please remove the dust cover before use. Compatibility and measurement software: Compatible with mobile phones, tablets, and computers for taking pictures and videos. Includes selfdeveloped measurable software to capture images, record videos, perform measurements, and log data conveniently. Lighting and adjustment: Knobtype adjustment of the auxiliary light on the base allows precise lighting without environmental restrictions. Optics and builtin lighting: 2T1G definition lens supports different distance adjustments. Builtin LED adjustable supplementary light lets you set the ambient lighting as needed. Practical use scenarios: Educational or laboratory documentation: photograph and measure small specimens, capture data, and save records for teaching or experiments. Product inspection and quality control: document components, take measurements, and record data during QC processes. Field documentation and remote work: attach to a mobile device or computer to photograph objects onsite and measure or log data for later analysis.