Flex ALC 3/1-G Self Levelling Green Cross Line Laser The Flex ALC 3/1-G (456.004) is a rechargeable cross line laser with 3 lines - 1 horizontal/2 vertical plus plumb. The green laser line is easily visible, even in bad lighting conditions and the lines can be switched individually depending on what you are measuring. This model is self-levelling (though this function can be switched off) and is easily operated. Features: One horizontal and two vertical laser lines at a 90° angle plus plumb - can be switched individually Specially coated glasses ensures clean and high-precision laser lines The green line is easily visible even in bad lighting conditions Self-levelling (though this function can be turned off) Optical warning signal when self-levelling range exceeded Simple operation Transportation lock 1/4\" thread for tripod Comes with: Magnetic wall bracket USB Cable USB Charger Carry bag Specification: Number of lines: 1 horizontal/2 vertical plus plumb Visible area lines: 90° Precision: ± 0.3 mm/m (plumb ± 0,6 mm/m) Self-levelling range: ± 4° Max. working range: 20m/plumb 5m Operation duration: 6h Temperature range: -5° - +50 °C Laser class: 2 International Protection: IP54 Integrated battery: 3.7 V 2000 mAh / Li-Ion Weight: 0.53kg