Item No.: C19A230
.Measure range:0.05~40m.  
.Measure accuracy:±1.5mm.  
.Measure unit：m/inch/ft.  
.Laser level:Class II.  
.Laser type:635nm,＜1mW.  
.Memory data hold : 20 times.  
.Area volume.  
.Pythagorean theorem.  
.Add/deduct:Yes.  
.Min/max measure.  
.Continuous measure.  
.Beep display.  
.Waterproof.  
.Operating temperature:-10~50℃（14~122℉）.  
.Power:2x1.5V AA batteries.  
.Automatically power off:3min.  
.Size:116x56x32mm.