5 Lines Laser Level 360° Self Leveling Cross Line Laser Tool with Pulse Mode Green Horizontal Line for Picture Hanging Construction Floor Tile Specifications: Model: T56 Material: ABS Laser Class: Class II Laser Wavelength: 505~550nm for Green beam Leveling Accuracy: ±1.5mm/5m Leveling/Compensation Range: 4°±1° Working Distance (Line): 30m for Green beam Operating Time: 7h Power Source: 2 * 1.5V AA batteries (Not included) IP Rating: IP54 Operation Temperature Range: -10℃~+50℃ Storage Temperature Range: -25℃~+ 70℃ Item Size: 103.5 * 70.3 * 75.2mm / 4.07 * 2.77 * 2.96in Item Weight: 303g / 10.69oz Package Weight: 432g / 15.24oz Package Size: 14.6 * 9.7 * 8.2cm / 5.75 * 3.82 * 3.23in