Horizontal Laser Level Self-Leveling Levelling Tool Super Powerful Green Laser Beam Alignment

Label:Yes Working distance inside (line): 10-20 m Power source: single charge, 5 hour service Laser type: 2 lines green beam Laser class: Class 2 Package:1 pc Laser Level Laser wavelength: 535 nm

Note: WARNING Emits Laser Radiation - Avoid direct exposure of the laser beam to the eyes.