S1 Portable GPS GPS GLONASS SBAS BeiDou Land Measuring Meter Mountain Measurement 2.4 inch Screen Land Surveying Tool ,Easy to Use

2.4-inch large screen is easy to read It is used for measuring straight lines,curves distances. Color:Yellow+ Black Application:Land Surveying Function:Multi-functionYou may also like 0-25mm/25-50mm/50-75mm/75-100mm 0.01mm Metric Gauge Vernier Caliper For Measuring Tools Blue& Green 1pcs Outside Micrometer ,Easy to Use.