Features: Instantmeasurementofdistancearea&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&splashproof) Auto/Manualpowerofffunction Multifunctionwithintelligentcalculation Compact&handydesign Specifications: Measuringrange:0.05to40m Accuracy:2mm(0.079inch) Laserclass:ClassII Laserwavelength:635nm Lasermaximumoutput:<1mw LaserAutooff:30s PowerAutooff:3min Workingtemperaturerange:0-40C(32-104F) Storagetemperaturerange:-10-60C(14-140F) Battery:1.5V2xAAA(notincluded) Color:orange&black Dimension:110x45x25mm Netweight:96.4g Packageincludes: 1xlaserdistancemeter 1xcarrybag 1xlanyard