Product Features: 2-in-1 Multi-Function Laser Breaks the Tradition satisfy your all needsThis laser tape measure includes two mode-131.2FT laser measurement and 16.5FT tape measurement.laser measurement accuracy: +/- 2mm ,and the accuracy of laser measurement can be checked with a tape measure.LCD Screen for Quick and Convenient ReadingLCD screen helps you get a quick digital reading of the laser distance measure. It can be switched to among M/In/Ft freely, which is portable and durable to use. Product Parameter: Multiple Measurement Modes:Distance/Area/Volume/Single/continuous/Pythagorean theorem measurement and indirect measurementTape Measuring Range:5 MetersTape Size:Wide:19mm,Thickness:0.12mm,Length: 5mTape Accuracy:1.5mmLaser Measuring Range:40 MeterLaser Accuracy:2mmUnit Switch:In/Ft/MBenchmark:Before and afterMaterials:ABS/Aluminum alloyLaser Type:Class II,Laser Wavelength 650nm,