SMART PENDULUM LEVELING SYSTEM - Press the top power button or open the pendulum lock to activate laser beam, it auto-levels when placed within 4 degrees of horizontal/vertical; If out of range, the laser beams will flash to alert; Pendulum locked to start manual mode, can lock lines for alignment to other angles. FLEXIBLE MOUNTING DEVICE - The laser level can be mounted onto a tripod or affixed to most metal surface using the included magnetic bracket, support you to turn the laser level around at 360 degree, project lines in any position or angle or adjust the height from the tripod. CROSS-LINE MODE - Emits and projects a laser cross line onto flat surfaces with high accuracy of ±1/8 of an inch at 30 Ft, works the best indoors; Ideal for tile alignment, wall studding, windows, doors, etc. Class II laser product, Output