1. Multi Measuring - Linear measurement, circular measurement, arbitrary curve measurement, irregular measurement, cylindrical diameter measurement, accumulation/subtraction of 99 historical records, measurement prompt sound, measurement breathing light , Unit switching. Easy to cover your daily measurement needs. 2. This Digital Tape Measurs 99M ULTRA-LONG DISTANCE - The digital tape measure ruler supports single range 0-9 meters distance measurement, the cumulative distance measurement can be up to 99 meters. In addition, the electronic ruler also has 99 sets of historical records, you can check and view it at any time which make your measurement work more simple and efficient. 3. Microprocessor and Precision Encoder - Those 2 parts you a ± 0.5% result, this is very helpful for E-commerce when calculating the dimension weight for shipping cost. 4. Wide Application: Our digital tape measure features 3 measurements units cm/in/ft, Whatever unit of measurement you're used to, you can adjust it to suit your needs. Ideal Measuring Tool for Woodworking, Plumbers, Building Trades or used as measuring tape for the body, sewing, homework, DIY. Please note: For the sake of transportation , the product is not equipped with CR2032 (3V) batteries internally. Colour: Green Material:plastic Size:. 54 x 54 x 17mm Package Contents: 1X Electronic Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.