Specifications: Name: Semlos Laser Level Tool Laser Class: Class IIIA Power Output: <1mW Wavelength: 650NM laser level level laser laser line level laser level tool leveler with laser level with laser straight line laser level tool laser leveler tool laser ruler cross line laser level straight line laser level laser leveler lazer leveler tool laser line line lasers leveling laser laser level for picture hanging home improvement tools laser alignment tool straight line laser laser picture hanging tool wall level with laser floor laser level tile laser level straight line laser level craftsman laser level wall level with laser laser picture hanging tool