The BOSCH GLL3-15 X Professional is a high-precision laser level designed for accurate horizontal and vertical alignment in construction, renovation, installation, and interior finishing projects. Featuring 3 red laser lines and 1 plumb point, it delivers reliable levelling performance with automatic self-levelling for faster and more efficient work.

Key Features

• High-visibility 3 red laser lines with 1 plumb point
• Self-levelling function with ±3° levelling range
• Fast automatic levelling in approximately 4 seconds
• Working range up to 15 metres
• High accuracy:
  • Horizontal laser line: ±0.2 mm/m
  • Vertical laser lines: ±0.3 mm/m
  • Plumb point: ±0.7 mm/m
• Red laser diode (630–650 nm, <1 mW)
• Laser Class 2 for professional applications
• Operates using 4 x AA (1.5V LR6) batteries
• Up to 24 hours of continuous operating time
• Lightweight design at approximately 0.72 kg
• Suitable for indoor construction, installation, tiling, electrical, plumbing, and carpentry work
• Reliable performance in operating temperatures from -10°C to 45°C
• Storage temperature range: -20°C to 70°C

Specifications

• Working Range: 15 m
• Working Range with Receiver: 15 m
• Projection: 3 Lines + 1 Plumb Point
• Laser Colour: Red
• Laser Diode: 630–650 nm, <1 mW
• Laser Class: 2
• Self-Levelling Range: ±3°
• Levelling Time: 4 s
• Horizontal Accuracy: ±0.2 mm/m
• Vertical Accuracy: ±0.3 mm/m
• Plumb Point Accuracy: ±0.7 mm/m
• Plumb Point Working Range: Max. 5 m (Bottom)
• Power Supply: 4 × 1.5V LR6 (AA) Batteries
• Maximum Operating Time: 24 Hours
• Weight: Approx. 0.72 kg
• Operating Temperature: -10°C to 45°C
• Storage Temperature: -20°C to 70°C