360 degree horizontal laser line and 1 vertical line. Locking compensator protects inner mechanisms. Visual out-of-level indicator. Manual mode for use at any angle. 1/4"-20 tripod thread for use with most common tripods. Ideal for carpentry, tile, and more. Laser wavelength 635nm +/- 10nm (red). Laser classification Class II. Working temperature 32 Deg F to 104 Deg F. IP 50. Dimensions 2.3 In. x 3.6 In. x 4.2 In. Weight 10.5 Oz. (without batteries). Includes (2) AA alkaline batteries. No. 40-6606: Type: Line, Range: 35 Ft., Leveling: Self-Leveling, Number of Beams: 2-Beam, Interior/Exterior: Interior/Exterior, Accuracy: 3/16 In. at 30 Ft., Power Source: (2) AA Batteries, Warranty: 2 Year, Pkg Qty: 1, Package Type: Clamshell Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!