Features LARGE MEASURING RANGE: This electronic tape measure has a range of 0-199.999m, which can meet your basic needs. LONG BATTERY LIFE: This electronic tape measure uses an ultra-low power semiconductor microprocessor to achieve long standby time and battery life. VERSATILE USAGE: This electronic tape measure has practical functions such as straight line measurement, circle measurement, arbitrary curve measurement, irregular surface measurement, cylindrical diameter measurement, etc. DIGITAL DISPLAY: The digital display of the tape measure is clear and easy to read, and the unit display can be switched, which is very intelligent. COMPACT AND PORTABLE: This tape measure is compact enough to be used in -10℃ to 50℃ environments and can be taken anywhere. Specification: Item Type: Rolling Ruler with Digital Display Material: ABS Color: Silver, Black Operating temperature: -10℃-50℃ Cruising Power: 6 hours of continuous work Measuring range: 0-199.999 m 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 Rolling Ruler with Digital Display 1 x USB Data Cable Package List 1 x Digital Display Roller Ruler 1 x USB Data Cable