Flex ALC 2/1-G Self Levelling Green Cross Line Laser The Flex ALC 2/1-G (455.997) is a professional Cross Line Laser designed for all professional measuring tasks. As the laser diode itself is green, it is much more visible in bad lighting conditions making it perfect for use all year round, both indoors and out. It is self-levelling, meaning it does all the levelling for you, (although there is the option to turn this feature off) and can be easily switched to measure horizontal or vertical lines. Features: Individually switchable horizontal and vertical laser line Specially coated glasses ensure clean and high-precision laser lines The green laser line is easily visible even in bad lighting conditions Self-levelling (can be turned off though) Optical warning signal when self-levelling range exceeded Simple operation Integrated Li-polymer rechargeable battery Transportation lock 1/4\" thread for tripod Comes with: Magnetic wall bracket USB-cable USB-charger Carry bag Specification: Number of lines: 1 horizontal/1 vertical Visible area lines: 90° Precision: ± 0.3 mm/m Self-levelling range: ± 4° Max. working range: 20m Operation duration: 6h Temperature range: -5° - +50 °C Laser class: 2 International Protection: IP54 Integrated battery: 3.7 V 2000 mAh / Li-Ion Weight: 0.36 kg