Specification: Item Type: Digital Display Roller Ruler Material: ABS Color: Silver, Black Operating Temperature: -10℃-50℃ Cruising Power: 6 hours of uninterrupted work Measurement Range: 0-199.999m Standby Time: 300 days Charging Port: Type C Battery: 1 x lithium battery (built in) Capacity: 260mAh (single battery capacity) Package List: 1 x Digital Display Roller Ruler1 x USB Data Cable 【MULTIFUNCTIONAL】This digital gauge can be used for measuring linear, circular, arbitrary curve, irregular, cylindrical diameter, etc., simple and practical. This tape measure is compact enough to be carried around. 【MEASURING RANGE】The electronic distance gauge has a measuring range of 0‑199.999 meters, and can meet various long distance measuring needs. Supports 10 sets of data storage, with cyclic coverage starting from the first set after exceeding it, greatly improving measuring efficiency. 【LCD DIGITAL SCREEN】The electronic distance gauge adopts an LCD digital screen, making it easy to read measurement results, which is clear and intuitive. Working temperature: -10-50℃; Reading value: 0.01mm/0.0005in. 【ROLLING OPERATION】The digital distance gauge is rolling design, which is convenient to operate, supports switching display units, with strong practicality. Perfect for using in mechanical, industrial processes and laboratory. 【100% SATISFACTION】We always strive to provide our customers with the best service and products. Please feel to contact our professional after-sale service if you have any questions, we will give you the most satisfactory reply as soon as possible! Thanks for your understanding.