Technical Specifications Working Range: Up to 30 m Number of Points: 3 points Beam Colour: Green Levelling Accuracy: ±0.35 mm/m (except bottom point) Bottom Point Accuracy: ±0.7 mm/m Self-Levelling Range: ±4° Levelling Time: 4 seconds Laser Class: Class 2 Point Laser Bosch GPL 3 G Professional is a compact and robust 3-point green laser designed for accurate point transfer and alignment. Its highly visible green laser points provide better visibility than red laser points, while the ±4° self-levelling range enables quick and accurate positioning. The integrated rotating mount with strong magnets allows fast and secure mounting.