Features Large Measurement Range: This electronic tape measure has a range of 0‑199.999m, which can meet your basic needs. Multiple Usage: This electronic tape measure has practical functions, such as straight line measurement, circle measurement, arbitrary curve measurement, cylindrical diameter measurement, etc. Durable: This electronic tape measure uses an ultra low power semiconductor microprocessor to achieve long standby time and battery life. Digital Display Function: 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. Easy to Install: 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