Strend Pro 901CG cross laser with a 360° beam angle with a green laser diode of the German brand OSRAM 520 Nm. The wavelength of this color can be captured by the human eye the best, so it also has the brightest beam compared to other colors. Use: aligning tiles, cupboards, moldings and borders, laying floors, installing doors and windows and household work (hanging pictures, shelves). Working modes: I) Manual mode: flashing every 3 seconds – indicates that it is not self-leveling now. Displays right angles at any angle. II) Automatic mode: Self-leveling with an accuracy of ± 3 mm/10 m. Automatic pulse mode – for working with the detector. The measuring range of this laser is 35 m without detector, 50 m with detector. The package includes a 1/4″ rotating holder, a portable bag and 4xAA batteries.