<b>Specification:</b><br> <br>●Laser Class: Class 2 (IEC/EN60825-1/2014), <1mW power output <br>●Laser Wavelength: 505-520nm <br>●Horizontal/Vertical Accuracy: ±1/9 inch at 33Ft <br>●Leveling/Compensation Range: ±4° <br>●Working Distance (Line): 130Ft (100 LUX) <br>●Operating Time with Lithium Battery: 7 hours with all laser beams on <br>●IP Rating: IP54