The laser level meter can emit visible lase horizontal, vertical and oblique 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 Features: Mini size, lightweight and portable, providing quick and convenient mobility and storage with the carrying box. Output 12 laser lines separately or simultaneously for finer positioning, with 3 self-leveling system, flexibility and stability. Using fine quality laser diodes and high precise conical mirrors, the lase lines emitted is fine and bright with high accuracy. Equipped with self-test calibration function, 3 automatic leveling, but if the angle is over 3, the laser light will keep blinking and the laser level will make a beep sound to reminding you to reset them on a flat ground. Rotating knob design, counterclockwise rotation to open it, clockwise rotation to close it. Touching buttons design, horizontal line, vertical line with a clearly division, the button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. IP54 waterproof and dustproof, suitable for both indoor and outdoor use, continuous laser pulsed laser. Easy to carry with the carrying bag, providing quick and convenient mobility and storage. Note: The laser output maker is located on the output hole. Do not stare directly at the laser light. Do not disassemble the instrument. This instrument meets the laser radiation safety rating standard. Specifications: Main material: plastics+metal Battery: 1 * rechargeable lithium battery, 3.7V, 1200mAh (included) Line type: 3 * 360, 12 lines Wavelength: 532nm (Green) Self-leveling angle: 3 Working radius: 25m Accuracy: 0.2mm/1m Waterproof: IP45 Working temperature: 0 to 40