• Performance features
  Laser class 3R, laser power < 5 mW, high-power version. Laser power adjustable in five steps.

• Fully automatic
  Automatic levelling and cut-out in case of low battery or jerky movement.

• Automatic function can be switched off
  Therefore inclination adjustment by points of reference is possible.

• Illuminated, clearly legible LCD display
  Self-explanatory, for on/off, device data, company data, lock function, operating status, battery level and menu.

• Robust metal housing
  100 % watertight, Plastic-coated, swept and filled with nitrogen.

• Special laser beam quality
  Diode laser with visible beam, high-powered lens, high life expectancy and low power consumption.

• Lithium ion rechargeable battery
  Operation time up to 34 hours with one charge. Rechargeable in max. 5 hours without having to take out the battery.

• Increased safety
  Control indicators with blinking warning system for levelling, operating status and low battery.

• Uncompromisingly easy
  All you have to do is switch on/off. The rest is done by the LL-91 automatically.

• Checking and adjustment
  Easily possible at the building site as well. The device does not have to be opened for adjustment.

Quality Guarantee

Our lasers are the result of decades of experience in the research, development, and production of construction lasers. The design, the materials used, as well as our rigorous quality assurance process are guarantors of high functionality and a long service life. All our devices are designed and manufactured exclusively in Germany and are renowned worldwide for their perfection in terms of handling, precision, robustness, and quality.

SPECIFICATIONS