Description:This item generates two lines on the floor at 90 degree angles for surface layout including tile, stone, brick, carpet and hardwood flooring and more. Two suction cups allow the laser level square to be mounted onto the surfaces stably. Ideal for floors, tiles, paneling, wall fixtures, wallpapering, wainscoting, finish carpentry and more.Features: Generates two lines on the floor at 90 degree angles for surface layout including tile, stone, brick, carpet and hardwood flooring and more.Great alignment guide for 90-degree layout-calculate and turning angles in 5-degree increments.One power button device, simple operation, easy to use.Two suction cups allow the laser level square to be mounted onto the surfaces stably.Perfect for floors, tiles, paneling, wall fixtures, wallpapering, wainscoting, finish carpentry and more.Specification:Condition: 100% Brand NewLaser Wavelength: 650nmLaser Class: Class IIAnti-dust/Anti-water: IP-54Accuracy: +/-3/8"/100ft.(+/-1.5mm/5m)Self-leveling range: +/-4 degreePower: 3 * AA alkaline batteries (not Included)Low Voltage Indication: Power LED flashingSize: Approx. 19x13.5x5cm / 7.48x5.31x1.97inWeight: Approx. 183gPackage Included:1 * 90 Degree Laser LevelNote:Please allow 0~1 inch error due to manual measurement. Thanks for your understanding..