Features: Instantmeasurementofdistancearea!#!amp!*!volumewithonebuttonoperation Widemeasuringrange Highaccuracy AutomaticcalculationofAreaandVolume IndirectmeasurementbyPythagoreanTheorem Single/Continuousmeasurement Max/Mindistancetracking(displayvalue) EasyAddition/Subtractionofmeasurement Setupfront/rearbenchmark Selectablemeter(m)inch(in)andfeet(ft) Datastore/recallfunction DataHold/Dataclearfunction Levelbubble Easytargetingwithbrightlaserpointer LargeLCDwithbacklightandmulti-linedisplay(4lines) Autocorrectionanderrorreporttechnology Buzzerindication BatterystatusIndication IP54protection(dust!#!amp!*!splashproof) Auto/Manualpowerofffunction Multifunctionwithintelligentcalculation Compact!#!amp!*!handydesign Specifications: Measuringrange:0.05to40m Accuracy:2mm(0.079inch) Laserclass:ClassII Laserwavelength:635nm Lasermaximumoutput:!#!lt!*!1mw LaserAutooff:30s PowerAutooff:3min Workingtemperaturerange:0-40C(32-104F) Storagetemperaturerange:-10-60C(14-140F) Battery:1.5V2xAAA(notincluded) Color:orange!#!amp!*!black Dimension:110x45x25mm Netweight:96.4g Packageincludes: 1xlaserdistancemeter 1xcarrybag 1xlanyard