Prostormer measuring wheel helps you measure long distances quickly and easily. Easy-to-read display counter measures up to 9999.9 feet. The measuring wheel features by mechanical gear-driven counter for fully distance measurement, no need any battery power. This convenient measurement wheel is great for measuring yards, sports fields, construction sites, warehouses or other spacious areas. [High Accuracy] Prostormer measuring wheel measures in feet up to a 9999.9 feet range. The measurement tool adopts finely geardriven counter with an accuracy of 0.5, the forward count increases and the backward count decreases, which is timesaving for using if you accidentally passed the target point. [Foldable Portable] Full length of the measure tool is 39.4, the connecting aluminum rod through 2 times folds can be folded to 14.4. It is more convenient for carrying and storage with included soft bag. [Easy to Use] Mechanical geardriven counter for fully distance measurement, no need any battery power, environmentfriendly and efficient. The measure wheel designed with a quick reset button, clearly visible and dustproof display, it is easy to use even for beginners. [Wide Application] This measuring wheel can be used for a wide range of indoor and outdoor projects, durable skidproof tire can easily roll on different ground such as gravel, cement, grass, wood and concrete,etc. It is ideal for traffic road measurement, construction site, courtyard, sports field, garden curved roads and more. [Package Content] 1x 12.5 Measuring Wheel, 1x 16ft Tape Measure, 1x User Manual, 1x Screwdriver, 1 x Storage Bag. Kindly Note Keep walking as straight as possible if measuring straight distance to avoid big error.