Kress 5 lines+2 Plumb Points Blue light Laser Level KL100

Wavelength of light ray: 505 nm (Blue Light)
Plumb pt wavelength: 635 nm
Horizontal ray precision: 1mm
Self-leveling correction scope: 7m
Horizontal divergence angle: 3 deg
Vertical divergence angle: 120 deg
Laser ray width: 130 deg
Power source: 2 mm
Operating temperature: -10~45 deg C