The laser level meter can emit visible lase 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 installatio Features: Compact size, lightweight and portable, easy to carry with the case, providing quick and convenient mobility and storage. Output 16 laser lines separately or simultaneously for finer positioning, with 3 self-leveling system, flexibility and stability. Adopts optical , fine transmission, with clear laser light. Equipped with self-test calibration function, 3 automatic leveling, but if the angle is over 3, the laser light will keep blinking and also has beep sound to reminding you to reset them on a flat ground. Push button design, push left to open it, push right to close it. Touching buttons design, horizontal line and 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. 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). Comes with one tripod base with 360 rotatable design, male and female 5/8" thread, for easy to connected with 5/8" laser level and 5/8" bracket. 1/4" to 5/8" thread adapter for easy connection, it can be used with 5/8" thread tripod to adjust the working height of the machine. The laser level lift bracket, height adjustable, anti-slip texture design for increasing friction, more stable placement. Equipped with window clip holder for works with wall-mounted bracket. Waterproof and dustproof, suitable for both indoor and outdoor use, continuous laser pulsed laser. 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: 2 * rechargeable battery, 3.7V, 1200mAh (included, you will find there are two batteries inside if disassemble one) Laser ray: 360 * 4, 16 lines Laser wavelength: green light 520nm Laser lines accuracy: 0.2mm/10m Self-levelling-range: 3 Working distance: 25m Working temperature: -5 to 50