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. Battery Life: Approx. 15 hrs. of continuous use, Visual or Audible Indicator: Visual, Laser Output: <5mW, Class Rating: Class Iliac, Material Type: Rugged plastic housing, Leveling Type: Manual, Beam Type: Split beam, Battery Type: AA, IP Protection Class: 54, Horizontal Leveling: Yes, Working Temperature: 14deg F to 113deg F, Laser Beam Color: Red, Laser Wavelength: 635nm+10MM, Accuracy: 1/4 in. at 100ft., Rotation Speed: 150-300 rpm, Tripod Mount Dimensions (in.): 5/8-11 center screw thread, Interior Range (ft.): Up to 200, Dimensions L x W x H (in.): 5 1/8 x 5 1/8 x 6 9/64, Single, Pair, or Set: Set, Scanning Modes (qty.): (3) Big, small, dot, Vertical Leveling: Yes, Battery Included: Yes (4), Case Type: Soft sided, Exterior Range (ft.): Up to 800.