Technical Specifications Working Range: 15 m Number of Lines: 2 lines Beam Colour: Green Levelling Accuracy: ±0.6 mm/m Self-Levelling Range: ±3° Laser Class: Class 2 Laser Wavelength: 500–540 nm Protection: IP55 Power Supply: 2 × 1.5 V AA batteries Weight: Approx. 0.3 kg Tripod Thread: 1/4 inch Operating Temperature: −10°C to +40°C Projection: 1 horizontal + 1 vertical line Slope Function: No Description Line Laser Bosch GLL 50 G Professional is a compact and durable green cross-line laser designed for precise horizontal and vertical levelling. Its green laser technology provides excellent visibility, particularly in bright indoor conditions. The tool projects one horizontal and one vertical laser line, with a 15 m working range and ±0.6 mm/m levelling accuracy. Its robust housing provides IP55 protection, while the simple one-switch operation makes it easy to use on demanding jobsites. It can be powered by 2 × AA batteries and has a standard 1/4-inch tripod mount. Ideal for: Tile installation, drywall work, shelf installation, window/door alignment, electrical fitting, interior work, levelling and general construction applications.