Built-in brand-new V3.0 measurement system, with new functions such as user-defined interfaceediting,user-defined template editing, Dxf template import, file management, measurement data export, etc., making the operation smarter, faster and more powerful; The brand-new system improves the image definition again;SONY SENSOR with high sensitivity and low noise is adopted, which has powerful performance and smooth preview; Using ARM Cortex A7 dual-core @Max1.3GHz processor, the work is smooth and stable; Built-in automatic edge finding function to improve the measurement effect; Support the storage function of U disk, which can be connected with an external mouse;