The Self-Leveling Quad-Line Laser Level projects three vertical lines and one horizontal line, plus a plumb down point. Laser can rotate 360deg , and base has graduated circle for angle measurement. Battery Life: Up to 8 hrs. of continuous use, Working Temperature: 14deg F to 113deg F, Beam Type: Line, Accuracy: ±1/8in./50 ft. (±1mm/5m), Battery Type: AA, Laser Output: 5mW, Rotation Direction: Can rotate 360deg , Laser Wavelength: 635nm±10nm, IP Protection Class: IP 54, Class Rating: Class IIIa, Leveling Type: Self-leveling (pendulum), Self Leveling Range: ±3deg , Case Included: Yes, Battery Included: No, Laser Beam Color: Red, Exterior Range (ft.): 300, Interior Range (ft.): 200, Dimensions L x W x H (in.): 4 3/4 x 4 31/32 x 7 3/32, Tripod Mount Dimensions (in.): 5/8in.-11, Beam (qty.): 4, Mount Type: Standard or tripod