Item No.: C19B145
.Measure distance, including instant and continuous measurement.  
.Can select imperial and metric units.  
.Calculate sum, area and volume.  
.Use laser to locate the position  
.Can store and display the readings used in area or volume calculation.  
.Range:0.4m to 18m  
.Accuracy:±(0.5+1digit)(in still air)  
.Resolution:0.01m