Self-Leveling Cross-Line Laser Level projects three vertical lines and one horizontal line, plus emits solid lines or pulse (for use with detector). Self Leveling Range: ±3.5deg , Battery Type: AA, Laser Output: 5mW, Class Rating: Class IIIa, Beam Type: Cross line, Laser Wavelength: 635nm±10nm, Base Type: Graduated circle for angle measurement, Tripod Mount Dimensions (in.): 5/8-11, Mount Type: Tripod or wall, Beam (qty.): 4, Accuracy: ±3/16in./50 ft. (±3mm/10m), Laser Beam Color: Red, Interior Range (ft.): Up to 200, Case Included: Yes, Battery Included: Yes, Exterior Range (ft.): Up to 300, Working Temperature: 14deg F to 113deg F, Leveling Type: Self-leveling (pendulum), Rotation Direction: Laser can rotate 360deg , Battery Life: Approx. 10 hrs., IP Protection Class: IP 54