Mode                                         S1(20,30,40m)

Measuring accuracy            ±3mm

Measuring unit                     m/ ft /in/ft+in

Measuring range                  0.05-30,40m

Measuring time                    0.03s-3s

Laser grade                            Ⅱ

laser type                               630-650nm ; p<1mw

Display size                          1.5 inch screen

Laser auto shut-down           15s

Auto shut-down                      45s

Measures distance                  √

change Starting point            √

Backlight screen display       √

Button’s  life                  one million times

Battery type                   2* 1.5V;AAA

Battery life                     max 6000

Working temperature range     0℃-40℃

Storage temperature range     -20℃-60℃

Product size                  100*35*22mm

Weight                            46g