Specifications: Generate 2 lines at 90 degree right angles. Dual diode for 90 degree laser beam on any surface. Two suction cups allow the laser to be mounted horizontally on the surface. Alignment guide for 90 degree layout , calculate and rotate the angle in 5 degree increments. Suitable for floors, tiles, panels, wall fixtures, stencils, siding, woodwork, etc. Type: Laser Level Material: Plastic Laser Wavelength: 635nm Laser Class: Class II Dustproof/Waterproof: IP54 Accuracy: +/- 3/8/100feet (+/-1.5mm/5M) Automatic Leveling Range: +/- 4 Degrees Battery: 3 x AA Alkaline Batteries (Not Included) Low Voltage Indication: LED Power Indicator Flash Features: 90 Degree Line, Suction Cup Mount, Easy to Use, Laser Light Size: 190mm x 78mm/7.48" x 3.07" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Laser Level (Batteries Not Included)