... -proof performance for rugged construction sites· Equipped with Clock, Buzzer,Thermometer, e-Bubble, Battery Level Indicator...· Coming ... in door)±1.5mm(±0.06")Min. Reading1mmMeasuring UnitOptional: m, ft, in or ft-inResponding Time<1 secLaser SourceClass ... Automatic Horizontal/Vertical Measuring, Angle Measuring Time Measuring, w. Clock, Buzzer,Thermometer, e-BuubleData Display 2" illuminated colored ...