Bosch GLM80-R60 265ft Li-ion Distance Measurer with R60 Level ACCURACY: The Bosch GLM 80-R 60 Combo Kits 360-degree incline sensor two-axis 90-Degree tilt sensor enables indirect measurements with one click of a button when unit is handled either vertically or horizontally. VERSATILE: The Bosch GLM 80-R 60 provides a digital inclinometer, a rangefinder and a measure in one for maximum versatility. PRECISION: The Bosch GLM 80 Laser Measure features Boschs Precision Laser Technology to provide an accuracy of 1/16-inch at distances up to 265-feet whit the R 60 Digital Level Attachment transforms the GLM 80 into a 24" digital level CONVENIENT: With a rechargeable lithium-ion battery the tool allows up to 25,000 measurements per charge Class IIa laser product, =1mW power output