Laser Distance Meter：SW-M50
 
Model Number：SW-M50
Measurement：Distance, Area, Volume, Pythagorean
Measure Unit：m/ft/in
Measure Accuracy：±1.5mm
Laser class：class II
Laser maximum output：<1mw
Laser Auto Off：20S
Power Auto Off：150S
Single /Continuous measurement：yes
Max/Min distance tracking (display value)：yes
Addition/Subtraction of measurement：yes
Set up front/rear benchmark：yes
Data store /recall function：99pcs
Hold /Clear data function：yes
Air Bubble level：horizontal and vertical
Dust/Splash proof：IP54
Power Supply：2*1.5V AAA battery (not included)
Dimension：112*50*25mm(4.11*1.97*0.99inch)
Weight：200g