90 degree right angle horizontal vertical laser line projection horizontal alignment layout tool.This item generates two 90 degree angled lines on the floor for surface layouts including tile, stone, brick, carpet and hardwood floors. Two suction cups allow the square laser level to be mounted stably on the surface. Ideal for flooring, tiles, panelling, wall lights, wallpaper, siding, woodwork finishes and more.Features.Generates two lines at a 90 degree angle on the floor for surface layouts including tile, stone, brick, carpet and hardwood floors etc.Large alignment guide for calculating 90 degree layouts and rotation angles in 5 degree increments.A power button mechanism for simple operation and ease of use.Two suction cups allow the laser level holder to be mounted stably on the surface.Suitable for floors, tiles, panelling, wall fixtures, wallpaper, siding, woodwork finishes, etc.Specifications.Laser wavelength: 650nmLaser class: Class IIDustproof/waterproof: IP-54Accuracy: +/- 3/8/100ft (+/- 1.5mm/5m)Range self-levelling: +/- 4 degreesPower supply: 3 x AA alkaline batteries (not included)Low voltage indication: Power LED blinkingProduct dimensions: approx. 200 * 100 * 52 mm / 7.9 * 3.9 * 1.0 in (see pictures)Package weight: approx. 190 gPackage includes.1 x laser level (Without Battery)