The laser level meter can emit visible laser horizontal and vertical lines for the automatic leveling separately or simultaneously Provides accurate horizontal and vertical datum for indoor construction stakeout and calibration easy to operate and versatile Suitable for flooring tile layout paneling wallpapering stenciling wainscoting finish carpentry wall stud layout and partition installation You can have a try Features Compact size lightweight and portable easy to carry with the case providing quick and convenient mobility and storage Adopts optical glass fine transmission with clear laser light Output 2 laser lines separately or simultaneously for finer positioning 2 levles of brightness of laser lines adjustable you can easy to adjust according it to your demands Equipped with self test calibration function �4° automatic leveling but if the angle is over 4° the laser light will keep blinking to reminding you to reset them on a flat ground Push button design push left to open it push right to close it One button design with high sensitive to switch the line mode quickly and with comfortable hand feeling Drop resistance anti vibration with multiple protections Waterproof and dustproof suitable for both indoor and outdoor use The T shape bracket with 7mm wall mounted distance which has 360° rotatable base and equipped with fine adjustment mechanism can make the machine quickly find the target 1 4 screw size Suitable for flooring tile layout