1. Versatile Measurement Functions: This electronic tape measure offers straight line, circular, arbitrary curve, irregular , and cylinder diameter measurements. Effortlessly switch units and record up to 10 historical measurements, catering to all your measurement needs. 2. High Precision and Long Range: With a measurement range up to 199.999 meters, this digital roller ruler ensures high accuracy for both short and long distances. Perfect for a variety of professional and personal applications. 3. Energy-Efficient Performance: Equipped with an ultra-low power semiconductor microprocessor, this smart rolling measuring tool boasts extended standby time and battery life. Enjoy reliable performance without frequent recharging. 4. Portable and Design: Designed for convenience, this digital rangefinder is compact and easy to carry. Ideal for on-the-go measurements, it fits effortlessly into your toolkit or pocket. 5. Rechargeable Battery: Featuring a rechargeable battery, this distance gauge measure provides long-lasting power. Enjoy the convenience of reduced battery replacements, ensuring it's when you need it. Size: About 60x60mm/2.34x2.34in Display: 1.8-Inch VA LCD Screen Unit: cm/inch Working Temperature: -10℃-50℃ Cruise Power: 6 Hours Of Uninterrupted Work Measuring Range: 0-199.999 Meters Standby Time: 300 Days Charging Port: Type-C Battery Type: 260mah Lithium Polymer Battery Colour:Black Material:Aluminum alloy + silicone Package Contents: 1 * Electronic rangefinder 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.