Features LARGE MEASUREMENT 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. MULTIPLE 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 screen 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 environments ranging from ‑10℃ to 50℃ and can be carried around. Spec: 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) packing 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