Laser Point Tateburimeijin 2430 TAKUMI

It simultaneously measures inclining of front, back, right, and left with a laser point and a vertical line.Since it is a laser light, there is no swing due to wind.Light output is 1mW or less and it is a class 2 laser product.It instantly stops within approx. 3 seconds with a magnet damper.W x D x H (mm):60 x 95 x 170Precision:?}1mm or less/4mAutomatic Correction Range:?}3.5Power Supply: N alkaline dry battery x 2(included)