One-switch Operation: Simple one-switch operation powers 3 laser lines on and off, projecting 3 level line onto surface Angle Dial & LED light: The angle dial is used for angle reference, easily change the angle you want within the range of 15°~75°; Accuracy Surface Laser Lines & Bubble Vials: PREXISO laser level projects horizontal and vertical lines on any SURFACE up to 30Ft, 2 laser lines are at an exacting 90° angle; It built-in bubble vials ensure more accurate leveling. Class II laser product, maximum laser output < 1mW Bonus Wall Mount Base: Wall mount base helps free hands for marking. It with 3 Fixing Ways: 1) with 2 pins for rough surfaces; 2) with 10 self adhesive strip for smooth surfaces; 3) with Pin Holes on top for any surface.
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