Features Large Measurement Range: With a range of 0-199.999m, this digital measuring tape can meet all your basic measurement needs, providing versatility and flexibility for various projects. Long Battery Life: Utilizing an ultra low power semiconductor microprocessor, this electronic rolling ruler achieves an extended standby time and battery life, ensuring reliable performance over time. Multiple Usage: This digital tape measure offers practical functions including straight line measurement, circle measurement, arbitrary curve measurement, irregular measurement, and cylindrical diameter measurement, catering to a wide range of measurement requirements. Digital Display: The clear and easy-to-read digital display screen with switchable unit display makes this mini tape measure highly intelligent and user-friendly, enhancing measurement accuracy and efficiency. Compact and Portable: Designed to be compact and portable, this tape measure is suitable for use in environments ranging from -10℃ to 50℃, providing convenience and reliability wherever you go. Features: 1、LARGE MEASUREMENT RANGE: This electronic tape measure has a range of 0？199.999m, which can meet your basic needs. 2、LONG BATTERY LIFE: This electronic tape measure uses an ultra low power semiconductor microprocessor to achieve long standby time and battery life. 3、MULTIPLE USAGE: This electronic tape measure has practical functions, such as straight line measurement, circle measurement, arbitrary curve measurement, irregular measurement, cylindrical diameter measurement, etc. 4、DIGITAL DISPLAY: The digital display screen of the tape measure is clear and easy to read, and the unit display can be switched, which is very intelligent. 5、COMPACT AND PORTABLE: This tape measure is compact enough to be used in environments ranging from ？10℃ to 50℃ and can be carried around. 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 polymer battery (built in) Capacity: 260mAh (single battery capacity) Package List: 1 x Digital Display Roller Ruler 1 x USB Data Cable Package List 1 x Digital Display Roller Ruler 1 x USB Data Cable