Feature 1DIGITAL TAPE MEASURE: The data is displayed on the LCD screen. Make your measurement and reading more convenient. 2EASY TO USE: The digital tape measure adopts USB charging, built in lithium battery, internal and external switches, making measurement convenient. 3ACCURATE MEASUREMENT: This is an accurate measurement tape with an accuracy of 2mm and a digital accuracy of 2mm. The function of quickly extracting intermediate values and recording 20 sets of historical data can save time for your work. 4UNIT CONVERSION: Let this metric tape measure do this job for you. Long press and hold UNIT to convert the four units of m, ft, in, and ft, in to meet all your needs. 5WIDELY USED: 5m 40m tape measure is widely used in residential or commercial projects. It is the perfect measuring tool for anyone, from hands on to professional craftsman.Item Type: Digital Tape MeasureMaterial: Aluminum Alloy, ABSBattery: Polymer battery x 1Battery Capacity: 180mAh (shipped with built in battery)Measuring Length With a Tape Measure: Approx. 5m / 16.4ftInfrared Measurement Length: Approx. 40m / 131.2ftAccuracy: Approx. 2mm / 0.08inCan Measure Area, Volume, and Distance .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Tape Measure1 x Hanging Rope1 x USB Cable