Bosch GLL 18V-120-33 CG Professional 18V/12V Triple Power Green Beam 3 x 360° Line Laser with IP65 Protection for Drywall & Ceiling Alignment 120m Range for Construction Workers & Electricians

GZ Industrial Supplies Nigeria is the distributor of Bosch Power tools in Nigeria. The Bosch GLL 18V-120-33 CG Professional is a rugged and versatile 3 x 360° green beam line laser engineered to deliver reliable accuracy in the toughest construction conditions. Featuring a unique triple power source concept, this innovative laser allows you to switch seamlessly between 18V, 12V, and alkaline C-cell batteries, ensuring zero downtime and uninterrupted workflow on any jobsite .

Designed for construction professionals, drywall installers, electricians, and ceiling fitters, this laser projects one horizontal and two vertical 360° lines for complete room coverage. With rubber-enforced housing, laser windows, and an IP65 rating, it provides peace of mind against water, dust, and impact on the most demanding worksites .

Applications Of Bosch GLL 18V-120-33 CG Professional 3 x 360° Line Laser

• Drywall and stud wall installation
• Ceiling grid and suspended ceiling alignment
• Window and door frame installation
• Electrical socket and switch positioning
• Pipe and conduit routing
• Partitioning and room layout
• Floor leveling and tiling layout
• Ideal for construction workers, electricians, plumbers, and carpenters 

Key Features & Benefits

• Triple Power Source Concept: Offers maximum flexibility and eliminates downtime by allowing operation with 18V Li-ion, 12V Li-ion, or 4 x C-cell alkaline batteries .
• 3 x 360° Green Beam Projection: Projects one horizontal and two vertical lines for complete 360° coverage in all directions, making complex alignments simple and efficient .
• Superior Green Laser Visibility: Green laser lines are up to four times brighter than red lasers, ensuring excellent visibility even in well-lit indoor environments and over longer distances .
• Impressive Working Range: Provides a working range of up to 35 meters (radius) without a receiver, and extends to an exceptional 120 meters (radius) when used with the compatible LR 7 laser receiver .
• High Precision Accuracy: Delivers ± 0.3 mm/m accuracy for reliable, professional-grade results in all levelling and alignment tasks .
• Rugged IP65 Protection: Features rubber-enforced housing and laser windows with IP65 dust and splash water protection, ensuring reliable operation in harsh jobsite conditions .
• Integrated Magnetic Mount with Fine Adjustment: The built-in mount features strong magnets for quick, secure attachment to metal frames, plus pivot fine adjustment for precise positioning without losing the reference point .
• Fast Self-Levelling: Self-levelling range of ± 4° with a quick levelling time of just 3 seconds for rapid setup .
• Backlit Corner Keypad: Intuitive, illuminated keypad allows for individual selection of laser lines, making operation simple even in low-light conditions .
• Levelling Remote App Compatible: Enables hands-free line control via smartphone app, saving time and ensuring greater accuracy on site .
• Extended Operating Time: Provides up to 20 hours of continuous operation in 3-line mode with a 4.0 Ah 18V battery, ensuring all-day productivity .

Technical Specifications Of Bosch GLL 18V-120-33 CG Professional 3 x 360° Line Laser

• Battery Voltage: 18.0 V / 12.0 V / 4 x 1.5 V LR14 (C)
• Laser Diode: 500 – 540 nm, < 10 mW
• Laser Class: 2
• Projection: 3 x 360° lines (1 horizontal, 2 vertical)
• Working Range (without receiver): Up to 35 m (radius)
• Working Range (with LR 7 receiver): Up to 120 m (radius)
• Levelling Accuracy: ± 0.3 mm/m
• Self-Levelling Range: ± 4°
• Levelling Time: 3 s
• Operating Time (max.): 20 h (18V 4Ah Li-Ion), 8 h (12V 2Ah Li-Ion), 8 h (4 x C, energy saving mode) in 3-line mode
• Dust and Splash Protection: IP65 (except for battery or battery adapter)
• Tripod Thread: 1/4", 5/8"
• Weight (approx.): 1.3 kg (without batteries)
• Weight with 4.0 Ah Battery: 1.9 kg
• Weight with Alkaline Batteries: 1.8 kg
• Compatible Laser Receiver: LR 7
• Operating Temperature: -10 – 40 °C
• Storage Temperature: -20 – 70 °C 

Why Professionals Choose This Model

• Unmatched power flexibility with triple-source compatibility prevents downtime
• Complete 360° coverage with 3 x green lines for faster, more accurate layouts
• Rugged IP65 construction withstands toughest jobsite conditions
• Extended 120m range with receiver handles large-scale projects
• High-visibility green laser outperforms red lasers in bright conditions
• Integrated magnetic mount with fine adjustment for precise, secure positioning
• App connectivity for remote control and enhanced productivity
• Ideal for drywallers, electricians, ceiling installers, and construction professionals
• Part of the Bosch Professional 18V System and AMPShare Battery Alliance

Frequently Asked Questions (FAQs)

1. What is the triple power source concept?

The triple power source allows you to power the GLL 18V-120-33 CG using three different options: Bosch Professional 18V Li-ion batteries, Bosch Professional 12V Li-ion batteries, or four standard C-cell alkaline batteries. This ensures you can always find a power source and avoid downtime on site .

2. What is the working range of this laser?

The laser provides a working range of up to 35 meters (radius) without a receiver. When used with the compatible LR 7 laser receiver, the range extends significantly to up to 120 meters (radius), making it suitable for large-scale construction projects .

3. What does 3 x 360° projection mean?

It means the laser projects one horizontal line that goes 360° around the room, and two vertical lines that each go 360°, creating complete coverage in all directions. This allows you to level and align multiple walls, ceilings, and floors simultaneously without repositioning the tool .

4. How accurate is the GLL 18V-120-33 CG?

The laser delivers a high precision accuracy of ± 0.3 mm per meter, ensuring reliable and professional results for all levelling and alignment tasks .

5. How long does the battery last?

Operating time depends on the power source. In 3-line mode, you can achieve up to 20 hours of operation with an 18V 4.0Ah Li-ion battery, or 8 hours with 12V 2.0Ah Li-ion batteries or four C-cell alkaline batteries in energy-saving mode.

Contact us today for availability and pricing.