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, and cylindrical diameter measurement. DIGITAL DISPLAY: The digital display screen of the tape measure is clear and easy to read, with switchable unit display for intelligent operation. COMPACT AND PORTABLE: This tape measure is compact and can be used in environments ranging from -10℃ to 50℃, making it easy to carry. 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