The Spectra Precision Laser LL300-1 is your medium-range, high-accuracy solution. Ideal for basic slope work such as driveways and ramps, checking or leveling elevations, concrete forms, footings and foundations for small- and medium-sized jobs, and for excavations, digging footings and septic tanks. The LL300-1 includes the GR131 10ft. grade rod in tenths. Class Rating Class 3A/3R, Vertical Leveling Yes, Exterior Range ft. 1,300, Laser Output 5, Battery Type D, Battery Included Yes, Self Leveling Range 5º, Working Temperature -4F-122F, Battery Life 90 hrs. of continuous use, Rotation Speed 600 rpm fixed, Laser Wavelength 635-670 nm, Tripod Mount Dimensions in. 5/8'-11, IP Protection Class IP 54, Indicator Type Low battery indicator, Leveling Type Automatic electronic, Single, Pair, or Set Set, Accuracy 3/32 in. at 100 ft., Horizontal Leveling Yes, Dimensions L x W x H in. 9 1/2 x 6 1/2 x 7, Visual or Audible Indicator Visible. Rugged weather-resistant construction designed to handle harsh jobsite conditions - including drops from up to 3 feet Single cross-axis manual slope mode with cross-axis self-leveling allows grade matching for slope work while maintaining accuracy in the cross-slope
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