[9999Ft Maximum Capacity One Key to Reset] The Rolling Measuring Wheel Measures up to 9999ft, The American Unit Of Measurement. Designed with a Reset Button, Clearly Visible and Dustproof Design, Very Easy to Use the Measurement Accuracy of the Ranging Wheel is 0.5%. [Accurate Measurement] The Digital Measuring Wheel Adopts Mechanical Counter for Fully Mechanical Distance Measurement, the Forward Count Increases and The Backward Count Decreases, No Need for Additional Battery Power, Environmental Friendly and Efficient. [Foldable Portable] The Full Length of Wheel Measurement Roller is 40 Inches and can be Shrunk to 16 Inches after 3 Times Folds, Which is Easy to Transport and Storage in a Backpack. Easy to Carry and Save Space. [High Quality Durable] Larger Bracket, Redesigned Joints, Threaded TPR Tires Increased Friction, Starting Arrow Marks the Original Position. The Wheels are Made from New ABS Thickened Material and Covered with Soft TPR Rubber. Strong and Durable Material has Improved the Service Life of The Product Perfectly. [Wide Application] The Distance Measuring Wheel is Great for Indoor, Outdoor Projects, also Ideal for Real Estate Appraisers, Law Enforcement, Construction Workers Landscaping Workers and Homeowners to Measure Your Boundary Lines of Your Property. Versatile Enough to Use on a Variety of Indoor and Outdoor Projects, This Tool is Ideal for Real Estate Appraisers, Law Enforcement, Construction or Landscaping Workers and Homeowners Alike.