Digital Tape Measure Portable ABS Multifunctional Battery Life Silver Black Unit Switchable 199.999m Electronic Rolling Ruler for Curve for Circle Specification: Item Type: Digital Display Roller Ruler Material: ABS Color: Silver Black Operating Temperature: -10 degrees Celsius -50 degrees Celsius Cruising Power: 6 hours of uninterrupted work Measurement Range: 0-199.999m Standby Time: 300 days Charging Port: Type C Battery: 1 x lithium battery built in Capacity: 260mAh single battery capacity Package List: 1 x Digital Display Roller Ruler 1 x USB Data Cable