The STHT77502-1 is part of Stanley?s Cross90 laser range, crafted for professionals demanding accurate alignment solutions. It emits three distinct beams: a horizontal line, a vertical line forming a cross, and an additional vertical 90� beam?perfect for marking perpendicular references in tiling, partitioning, or framing . Specification Model : Stanley STHT77502-1 (Cross90? Red Beam Multi Cross Line Laser Level) Beam Configuration : Horizontal + vertical cross-line + additional 90� vertical beam Laser Type & Range : Red beam; up to ~12 m (36 ft) visible range Accuracy : � 5 mm at 10 m (� 3/16 in at 33 ft) Self-Leveling : � 4� Lock System : Pendulum lock with manual mode Housing & Protection : Over-molded plastic; IP50 dust-resistant User Interface : Touchpad controls Mounting Options : QuickLink bracket; �" tripod thread Included Accessories : QuickLink bracket, storage pouch, batteries, quick start guide Power Source : 2 ? AA (1.5 V) batteries Weight : ~0.585 kg Laser Class & Wavelength : Class 2 laser; � 1.5 mW; 630?680 nm Operating Temperature : ?10 �C to 40 �C Applications : Flooring, tiling, drywall, framing, partition layout