Features: ThisProfessionalDistanceMeteremployslasertechnologytomeasuredistanceareaandvolumeaccuratelyquicklyandconveniently.Ithasawidemeasuringrange100m(328ft)andparticularlyhighaccuracy2mm.InadditionthismetercanmakeuseofPythagoreanTheoremtomeasuredistancesorlengthsindirectlywhendirectmeasurementisnotfeasible. Thismeteralsohasvariousfunctionsincludingcontinuousmeasurementaddition/subtractionfunctionandMax/Minmeasurement.Othermainfeaturesareincluding99datamemoriesswitchableunits(meterinch!#!amp!*!feet)!#!amp!*!backlightLCDwithmulti-linedisplay. Laserdistancemeterhasawidevarietyofapplicationsinconstructionandindustries.Itisveryusefulandconvenienttogiveaccuratemeasurementofdistanceareaandvolumeespeciallyinlargeareassuchasroomsapartmentsbuildingsrealestatesfactorieswarehousesgardensroadsinfrastructuresetc. Widemeasuringrangeupto100m Highaccuracy Quickmeasurementofdistanceareaandvolume Automaticcalculationofareaandvolume IndirectmeasurementbyPythagoreanTheorem Continuousmeasurement Min/Maxdistancetracking Easyaddition/subtractionofmeasurement Switchableamongmeter(m)inch(in)feet(ft) Easytargetingwithbrightlaserpointer LargeLCDwithbacklight Displayilluminationandmulti-linedisplay Autocorrectionanderrorreporttechnology Lowbatteryindication Auto/manualpowerofffunction Specifications: Measuringrange:100m(328ft) Accuracy:2mm(0.08inch) Laserclass:ClassII Lasertype:635nm!#!lt!*!1mW Operatingtemperature:0-40C(32-104F) Storetemperature:-20-60C(-4-140F) Poweredby:2xAAABattery(Included) Autopoweroff:after150secs Autocutofflaser:after20secs Batterylife:upto3000measurements Dimension:approx.120x50x30mm PackageIncluded: 1xLaserDistanceMeter(withbattery) 1xPouch