The THOLux M-1012 cross line laser is a specialized measuring device that helps to quickly and accurately determine and align horizontal and vertical lines. The product uses a laser wavelength of 505–520nm, providing clear, easy-to-observe light. With an accuracy of ±1mm/5m and automatic leveling mode, the machine can automatically compensate for tilt of ±3° in just 10 seconds, ensuring construction efficiency even in uneven terrain conditions.