Features MULTIPLE USAGES: This digital gauge can be used for measuring linear, circular, arbitrary curve, irregular, cylindrical diameter, etc., simple and practical. MEASURING RANGE: The electronic distance gauge has a measuring range of 0‑199.999 meters, and can meet various long distance measuring needs. DATA STORAGE: Supports 10 sets of data storage, with cyclic coverage starting from the first set after exceeding it, greatly improving measuring efficiency. LCD SCREEN: The electronic distance gauge adopts an LCD digital screen, making it easy to read measurement results, which is clear and intuitive. ROLLING OPERATION: The digital distance gauge is rolling design, which is convenient to operate, supports switching display units, with strong practicality. Specification: Item Type: Digital Distance Gauge Battery: 1 x 3.6V JN701435 260mAH lithium battery (built-in battery) Charging Method: DC 5V Measurement Range: Approx. 0-199.999 meter / 0-656.2ft Standby Time: 300 Days Working Temperature: -10-50℃ Reading Value: 0.01mm/0.0005in Package List: 1 x Digital Distance Gauge 1 x USB Data Cable Package List 1 x Digital Display Roller Ruler 1 x USB Data Cable