Studio view of the Bosch GLL50-20GL cross-line laser, featuring a rugged black and blue housing with a side-mounted red power switch and a bright green laser cross projected forward.
Studio view of the Bosch GLL50-20GL cross-line laser, featuring a rugged black and blue housing with a side-mounted red power switch and a bright green laser cross projected forward.
Infographic diagram highlighting key features including the VisiMax technology, smart pendulum system, rubber overmold housing, and power flexibility with the rechargeable 3.7V Lithium-Ion battery.
Close-up front view of the laser level showing the large red sliding on-off switch and the Bosch Professional branding on the blue housing.
Direct front view of the laser aperture, revealing the internal self-leveling pendulum mechanism protected by the recessed housing window.
Rear view of the tool featuring a keyhole mounting slot and vertical friction strips for secure placement against wall surfaces.
Jobsite scene showing a worker on a staircase using the laser level mounted on a tripod to project diagonal green reference lines on a concrete wall.
Application shot of the laser level magnetically attached to a metal door frame, projecting level horizontal and vertical green lines across a kitchen installation area.
A worker holding the compact laser level in one hand, demonstrating its portable size and ergonomic rubberized grip.
Close-up of a user plugging a USB-C charging cable directly into the charging port located on the back of the laser level unit.
Interior view of the laser level mounted on a tripod, projecting bright green cross-lines onto a white wall to guide cabinet installation.
Studio view of the Bosch GLL50-20GL cross-line laser, featuring a rugged black and blue housing with a side-mounted red power switch and a bright green laser cross projected forward.
Studio view of the Bosch GLL50-20GL cross-line laser, featuring a rugged black and blue housing with a side-mounted red power switch and a bright green laser cross projected forward.
Infographic diagram highlighting key features including the VisiMax technology, smart pendulum system, rubber overmold housing, and power flexibility with the rechargeable 3.7V Lithium-Ion battery.
Close-up front view of the laser level showing the large red sliding on-off switch and the Bosch Professional branding on the blue housing.
Direct front view of the laser aperture, revealing the internal self-leveling pendulum mechanism protected by the recessed housing window.
Rear view of the tool featuring a keyhole mounting slot and vertical friction strips for secure placement against wall surfaces.
Jobsite scene showing a worker on a staircase using the laser level mounted on a tripod to project diagonal green reference lines on a concrete wall.
Application shot of the laser level magnetically attached to a metal door frame, projecting level horizontal and vertical green lines across a kitchen installation area.
A worker holding the compact laser level in one hand, demonstrating its portable size and ergonomic rubberized grip.
Close-up of a user plugging a USB-C charging cable directly into the charging port located on the back of the laser level unit.
Interior view of the laser level mounted on a tripod, projecting bright green cross-lines onto a white wall to guide cabinet installation.
BOSCH

Bosch Laser Level GLL50-20GL Green Beam Cross Line (65 Ft Range VisiMax Telemetry Rechargeable Li-Ion Dual Power IP55 Magnetic Base Layout Kit)

In stock
SKU: GLL50-20GL
$149.00 USD

Description

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Industrial-Grade Green Beam Self-Leveling Cross-Line Laser Matrix with Dual Power Supply, VisiMax Control Technology, and IP55 Rated Shock Armor

The Bosch GLL50-20GL Green-Beam Self-Leveling Cross-Line Laser Level Kit delivers specialized structural layout telemetry and exceptional alignment leveling accuracy across active indoor installation frameworks. Projecting highly visible horizontal and vertical crossing coordinate beams up to 4X brighter than standard red wavelengths, this commercial-grade diagnostic instrument maintains a reliable 65-foot working range tracking at a precision line tolerance of ±5/16 inch at 30 feet. This professional layout solution resolves crooked cabinet configurations, slow framing plumb checking procedures, and early cell depletion downtime by combining a Smart Pendulum self-correcting alignment system with an innovative VisiMax dynamic temperature monitoring microcontroller. Outfitted with an integrated permanent rare-earth magnetic structural bracket, a dual-source power input layout accepting the included 3.7V Lithium-Ion rechargeable battery cell or standard AA batteries, and a rugged full rubber overmold chassis roll cage, this compact positioning layout system optimizes subcontractor productivity during drop ceiling grid elevations, commercial tile setting grids, and metal stud partition staging.

Best Used For:

  • Cabinetry Staging Realignment: Projecting bright levelling lines to mount uniform wall cabinet groups, commercial shelving tracks, and architectural millwork components flush.
  • Drop Ceiling Leveling: Mapping exact perimeter channel wall heights and establishing clear cross-line paths for extensive acoustic drop-ceiling support wires.
  • Metal Stud Cavity Staging: Laying out precise true-plumb vertical track sections and wall partition boundaries on raw poured concrete base floors single-handedly.

Key Performance & Safety Features

  • VisiMax Intelligent Telemetry: High-performance internal circuit monitoring constantly samples thermal load variables to maximize line brightness while extending internal battery runtimes.
  • Smart Pendulum System: Internal pendulum self-levels rapidly over grade deviations up to 3.5°, blinks continuously if jarred out-of-level, and locks tight to block transport shock damage.
  • Hybrid Dual-Power Grid: Operates directly off the included 3.7V 1.0 Ah rechargeable lithium cell pack (supporting simultaneous charge-and-run utility) or standard AA alkaline power trays.
  • IP55 Jobsite Protection Armor: Heavy rubber overmold matrix serves as a protective internal roll cage to survive drops while defending against dust deposits and water spray vectors.
  • Rare-Earth Magnet Bracket: Built-in metallic grip mount attaches tightly onto structural steel beams, framing bays, or a standard 1/4-20 threading tripod post.

What's Included

  • (1) GLL50-20GL Green-Beam Self-Leveling Cross-Line Laser Level Module
  • (1) GBA37V10 3.7V Lithium-Ion 1.0 Ah Rechargeable Battery Pack
  • (1) Integrated Rare-Earth Permanent Magnetic Alignment Mount
  • (1) Heavy-Duty USB-A to USB-C Charging Data Cable
  • (1) Soft Protective Cordura Storage Pouch

Technical Specifications

Specification Value
Brand Name Bosch
Model Number GLL50-20GL
Instrument Classification Type Self-Leveling Cross-Line Laser Level
Laser Beam Color Green (Class 2, 500 nm - 540 nm Diodes)
Maximum Working Range Up to 65 ft.
Planar Accuracy Metric ± 5/16 in. @ 30 ft.
Self-Leveling Capability Scope Up to 3.5° Dynamic Tilt Range
Environmental Armor Standard IP55 Dust and Water Splash Resistant
Power Cell Configuration 3.7V / 1.0 Ah Lithium-Ion Pack (Dual Power AA Capability)
Tripod Mount Base Threading 1/4 in.-20 Thread Interface
Operating Temperature Range 41° F to 104° F
Overall Body Length 4.1 in.
Overall Body Width 2.5 in.
Overall Body Height 3.9 in.
Net Instrument Base Weight 0.77 lbs.

Pro-Tip: Before turning the laser key off at shift completion, ensure the toggle dial is in the absolute locked position. Locking the system locks the interior gimbal assembly securely against its internal limits, stopping pendulum bounce damage during bumps inside heavy truck compartments or gear boxes.