1、Output 5 laser lines separately or simultaneously for finer positioning. 2、Equipped with ±3° self-leveling system, with fine flexibility and stability. 3、Equipped with buzzing alarm function when it is out of self-leveling-range. 4、Three buttons design, one oblique button, one horizontal line button and one vertical line button, with a clear division. 5、The button is wear resistant, anti-skid, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. 6、3 gears of laserlines available, horizontal, vertical, and crossline, you can adjust according to your demands. 7、Laserpoint to the ground, which can be used for machine positioning. 8、The thickened 360° rotatable metal base with fine tuning knob can provides stable support and it is shockproof and shatter-proof. 9、5/8inch mounting thread for connecting to tripod. 10、It is perfect for a variety of uses, including flooring, tile layout, paneling, wallpapering, stenciling, wainscoting, finish carpentry, switch layout, wall stud layout and partition installation. 11、Suitable for both indoor and outdoor use. 12、Note: Please do not let the laser line shoot to your eyes directly.