MEASUREMENT RANGE: This electronic tape measure has a range of 0-199.999m, which can meet your basic measuring needs. BATTERY LIFE: Designed with an ultra-low power semiconductor microprocessor for extended standby time and efficient battery performance. MULTIPLE USAGE: Offers practical functions including straight line measurement, circle measurement, arbitrary curve measurement, irregular shape measurement, and cylindrical diameter measurement. DIGITAL DISPLAY: Features a clear digital display screen with switchable unit options for convenient and intelligent operation. COMPACT AND PORTABLE: Compact design suitable for various environments, easy to carry and use. Operating Temperature: -10C to 50C Working Time: Up to 6 hours of continuous operation Measurement Range: 0-199.999m Standby Time: Up to 300 hours Charging Port: Type-C Battery: 1 x built-in lithium battery Battery Capacity: 260mAh Color: Silver + Black Material: ABS Package Contents: 1 x Digital Display Roller Ruler 1 x USB Data Cable Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3cm.