Technical data:
Area volume measurement:yes
Data addition/subtraction:yes
Continuous measurement:yes
Min/Max measurement:yes
Multi4-line display:yes
Display Illumination:yes
Buzzer indication:yes
level:yes
Timer:yes
Angel:sensor:±90°
protection class:IP54
measuring range:0.05-100m
Measurement accuracy:±2mm
Laser class:Class 2M II
laser type:620-690nm,<1mw
Operation temperature:0℃-+40℃
Storage temperature:-20℃-+70℃
Batteries life:5000max
Batteries type:AAA LR032X1.5V
Switch off laser beam without operation:30 seconds
Switch off instruments with  inactivity:180 seconds
Dimension of instrument:118*36*20mm
Weight without batteries:70g