MEASURE electronic laser ruler three in oneA three-in-one tape measure that measures all surfaces. This is a new and innovative measuring method: faster, easier, and more efficient You no longer need to be limited to thin metal tapes that can only measure straight surfaces.The roller can measure any curved or irregularly shaped objects by simply rolling the length or distance of the included wheels This is so easy, you can only do it with one hand.Strings can be easily and accurately measured around objects. There are no more corrugated metal bands that cannot provide accurate measurement results. Strings allow you to measure all rounded things without limitation.The laser is suitable for long-distance and hard-to-reach areas, just point and measure the distance immediately.The measuring cup has an accurate and easy-to-read digital LED display.Function:3 different measurement modes: roller mode, string mode and laser mode.Adjustable centimeters or inches and memory options.Measure all surfaces easily and quickly.Large backlit LED digital display for easy data reading.Small and light, easy to carry and easy to use.Button design, easy to adjust the mode.Power supply: 4 x AAA batteries (not included).Measuring range: 4 m.