Laser level Tape Measure pro, The Versatile industries must have  

Directions for use:

Place laser level Tape Measure Pro on a level surface or tripod;
To ensure the laser level will be accurate adjust the level vials so that the bubbles inside are in the middle of the two lines;
Turn on the power and adjust the lens to the vertical or horizontal setting for the laser depending on the work situation;

Before taking any action, check to make sure the laser is accurately levelled and aligned.

Recommended working distance for vertical/horizontal lines is 5 meters;

Recommended working distance for the drawing point laser is 10 meters;

Uses 3 x 1.5 v (AG13 OR Lr44) batteries, battery life is 3 hours of continuous use.
 
Warning:

Never look directly into the laser while in use;
Keep the lens clean to ensure accuracy of the laser level.
Size: 190*180*65 mm
Weight: 540 g