Accurate measurements the tape holder converts the reading from a straight line to a circumference. In perimeter mode, traditional tape measures can have significant inaccuracy (up to 0.84 inches), while smart body tape measures offer minimal deviation (as little as 0.01 inches or 0.1 centimeters), providing consistent and reliable results. Download the latest application or ensure it is updated to the most recent version. Easy to use the well-constructed, smooth anthropometric tape features a locking mechanism. Extend the tape, wrap it around the body, secure it in place, and retract until the display shows the measurement. This method is more convenient than using a loose sewing tape. Track your progress the app records your measurement history and displays it in a clear chart format, covering 13 body areas and 12 body sizes. By selecting any metric, you can view trends over weekly, monthly, or yearly periods, helping you better understand your body changes. Sync with popular fitness apps available as a free download on the App Store and Google Play. The measuring tape seamlessly integrates with widely used fitness platforms, including Apple Health, Google Fit, and Fitbit. Why is perimeter measurement as important as weight during a weight loss journey? Having the right tool makes a difference. This digital body measuring tape works well with compatible smart scales. Both devices operate through the same application. Multi-functional use suitable for weight management, fitness tracking, waist training, sewing projects, and determining clothing sizes. Product name: Intelligent health ruler Product dimensions: 66 x 66 x 28 mm Resolution: 0.1 cm Measurement accuracy: 2% Maximum measuring range: 1.5 m Operating temperature: 0C to 50C Working humidity: Not specified