Johnson Level Cross and Line Laser Level One horizontal and two vertical lines at 90 degrees. Locking compensator protects pendulum during transport. Visual out-of-level indicator. Manual mode for use at any angle. 1/4 In. tripod thread for use at any angle. Ideal for flooring and alignment. Laser wavelength 635nm /- 10 nm red , laser classification Class II, working temperature 32 Deg. F to 104 Deg. F, dimensions 2.5 In. x 3 In. x 3.6 In., weight 8.8 Oz. without batteries. Includes 2 AA alkaline batteries. Type Line, Range 50 Ft., Leveling Self-Leveling, Number of Beams 3-Beam, Interior/Exterior Interior, Accuracy 5/32 In. at 30 Ft., Power Source 2 AA Batteries, Warranty 2 Year, Pkg Qty 1, Package Type Box