Rotary Laser Accuracy +/-1/16 in @ 100 ft Battery Type NiMH Bluetooth Not Bluetooth Compatible Features Height of Instrument/Tilt Alarm Function Ensures Product Accuracy Remote Control and Detector for One Person Operation Slope Operation Function Allows User to Perform Slope 8 Degrees in Both X and Y Axis Includes Case Charger Remote Control Number of Beams 1 Number of Planes 0 Number of Dots 0 Number of Lines 0 Working Range with Detector - Maximum 2 000 ft