Line and Dot Laser Accuracy +/-1/8 in Battery Type Alkaline Features Projects Down Beam with Raised Clearance for Dot Visibility and Alignment for Wall Track Layout Rear Projecting Horizontal Line Aids in Additional Leveling Applications Includes (3) AA Batteries Number of Beams 5 Number of Planes 0 Number of Dots 4 Number of Lines 1 Working Range with Detector - Maximum 165 ft Working Range without Detector - Maximum 100 ft Mount Type Magnetic Includes Batteries Batteries Included