Self-Leveling Laser Accuracy +/-0.004 in/ft Battery Type AA Bluetooth Not Bluetooth Compatible Features Adjustable Strength of Laser Lines Fixed Plumb Point Due to Integrated Base Self-Levelling Over Wide Range Uninterrupted Working with Triple-Power Concept Includes Case Target Number of Beams 2 Number of Planes 2 Number of Dots 0 Number of Lines 0 Working Range with Detector - Maximum 460 ft Working Range without Detector - Maximum 82 ft Mount Type Magnetic Mounting Bracket