Title: Laser Tape Measure, 3 in 1 Digital Laser Distance Meters with LCD Display, 40M Laser Measure, 5M Tape Measure, Measuring Area/Volume/Distance/Pythagorean Circumference White Features: HIGH PRECISIONLaser measurement accuracy: +/- 2mm. Simple operation, press "MEAS" to turn on, press again to start laser measurement. Long press "MEAS" for about two seconds to perform continuous measurement, and the accurate distance can be read within the effective range while moving. Class II laser productionSpecification: Model:MY-405 Laser Measure 131.2Ft/40M, Measuring Tape 16.5Ft/5M, laser measurement accuracy: +/- 2mm Color :White/Black/Yellow Measuring Tape :EU&UK Metric US:Imperial units. Material: PA+CU+FE Packaging Size: 13*15.5*5.5cm Product weight:260g Gross weight380g Package List: 1* Laser Tape Measure 1* Charging cable; 1* Instruction manual 1* Lanyard