Ultrasonic measuring device with built-in laser aimer/pointer * Measuring Range 20-Inch to 50-Feet (0.5 m to 15 m) * Accuracy to 99-percent (+/- 1-percent) * Works in feet-inches and metric; backlit LCD display * Used by Real Estate Agents; Interior Decorators; Appraisers; Estimators; Remodelers; Designers/anyone requiring fast, accurate indoor measurements