The Manual-Leveling Rotary Laser Level does the job in a number of applications, including construction, concrete work, deck building, landscaping and more. The laser emits a horizontal plane and vertical plane with simultaneous 90¡ã split beam. Rotation Speed: 150-300 rpm, Single, Pair, or Set: Set, Beam Type: Split beam, Case Type: Soft sided, Dimensions L x W x H (in.): 5 1/8 x 5 1/8 x 6 9/64, Tripod Mount Dimensions (in.): 5/8-11 center screw thread, Accuracy: 1/4 in. at 100ft., Exterior Range (ft.): Up to 800, Battery Life: Approx. 15 hrs. of continuous use, Working Temperature: 14deg F to 113deg F, Leveling Type: Manual, Battery Type: AA, Battery Included: Yes (4), IP Protection Class: 54, Laser Beam Color: Red, Visual or Audible Indicator: Visual, Interior Range (ft.): Up to 200, Scanning Modes (qty.): (3) Big, small, dot, Vertical Leveling: Yes, Class Rating: Class IIIa, Laser Output: <5mW, Material Type: Rugged plastic housing, Laser Wavelength: 635nm+10MM, Horizontal Leveling: Yes