The laser level meter can emit visible laser horizontal and vertical lines for provides accurate horizontal and vertical datum for indoor construction stakeout and calibration, easy to operate, and versatile. Equipped with self-test calibration function, £¼4° automatic leveling, but when over 4°, the laser light will keep blinking and beep sounds to remind you to place it on a flat ground. 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 take out and carry around with you. Adopts optical glass, fine transmission, with clear and bright laser light. Output horizontal line and vertical line separately or output 2 green c-ross laser lines simultaneously for finer positioning. Equipped with self-test calibration function, £¼4° automatic leveling, but when over 4°, the laser light will keep blinking and beep sounds to