A lightweight and compact laser level tool that generates two lines at a 90-degree angle on floors, walls, or other surfaces to assist with squaring, aligning, and angle adjustments. Features dual bubbles for accurate plane or straight-line alignment. Simple one-key operation to turn on and off two vertical lines at 90 degrees. Class IIIa laser product with maximum output of less than 5mW. Equipped with two suction cups for secure mounting on smooth surfaces such as glass and tiles, enabling 90-degree layout measurements and alignment guidance with 5-degree incremental adjustments. Projects horizontal and vertical lines on any surface up to 52 feet (16 meters). Offers precision accuracy within 1 inch per 100 feet. Ideal for carpentry, stair starting boards, shelves, molding, tiling, and other applications requiring precise alignment.