Features 1、AUTOMATIC MEASUREMENT: The electronic meter wheel is able to record the measurement results automatically without the need for manual reading and recording, which improves the efficiency and accuracy of the measurement. Users only need to place the meter wheel on the path to be measured, it will automatically record the distance traveled and display the results. 2、HIGH ACCURACY: The electronic meter wheel utilizes a high accuracy measurement sensor that provides very precise measurement results. It can measure down to smaller units such as millimeters or even smaller units, providing finer measurements. 3、DURABLE DESIGN: Electronic meter wheels are made of highly durable materials that can withstand different environments and conditions of use. It has a long service life and is not prone to failure. 4、PRACTICAL TOOL: With the advantages of automatic measurement, high accuracy, versatility, comfortable use and durability, electronic meter wheels can meet the high requirements of users for measuring tools and provide convenient and accurate measuring solutions. 5、0.01‑999999M MEASURING: This digital measuring wheel provides a wide counting range of 0.01 to 999999m, allowing you to measure both short and long distances with accuracy. Specification Item Type: Metric Measuring Wheel Material: ABS, Rubber Counting Mode: Clockwise Counting (plus), Counterclockwise Counting (minus) Counting Range: 0.01‑999999 Meters Counting Speed: 350 times/min Reset Mode: Panel Reset Power Failure Hold: Yes Power Supply Voltage: AC110V Installation Size: Approx. 47x62mm / 1.9x2.4in Package List 1 x Metric Meter 2 x Wheel