Name: Bosch GLL50-20
Brand: Bosch
SKU: B0CKJXX4XR
Price: 69.00 USD
Availability: InStock
Rating: 4.4 (5626 reviews)

Expert Review Analysis

The Bosch GLL50-20 is a compact, self-leveling cross-line laser level designed for indoor tasks, projecting simultaneous horizontal and vertical red lines up to 50 feet. It features a Smart Pendulum System for self-leveling within a 3.5-degree range and offers durable IP55 dust- and water-resistant construction with a full rubber overmold housing. The device supports flexible power options using either two AA batteries or an optional Li-Ion battery, making it suitable for DIYers and light-trade professionals.

✓ Best for: DIYers, homeowners, and light-trade professionals (e.g., plumbers, electricians, installers) handling indoor tasks under 50 feet. Specific use cases include leveling drop ceilings, aligning cabinets and shelving, tiling layouts, hanging pictures and curtains, and basic framing or plumbing.✗ Not ideal for: Outdoor work or large spaces requiring ranges beyond 50 feet. Users needing high-visibility beams in bright light conditions or those requiring advanced visibility optimization technologies like VisiMax.

Pros

✓Smart Pendulum System allows self-leveling up to 3.5 degrees with blinking alerts for out-of-level conditions
✓IP55 rating and full rubber overmold housing provide dust, water, and impact resistance for jobsite durability

Best Seller Rank History

Now#19Best#1Worst#62 +2

Lower = better sales rank

Specifications

Accessories

Mounting OptionsIntegrated magnetic mount, 1/4 In.-20 threaded mount

Design

Height3.9 inches mm

Width2.5 inches mm

Length4.1 inches mm

Weight0.77 pounds g

Housing MaterialFull rubber overmold

Features

Self-Leveling SystemSmart Pendulum System

Out-of-Level AlertBlinking

Transport LockYes

IP RatingIP55

General

BrandBosch

ManufacturerBosch

ModelGLL50-20

ColorBlue

Warranty1 year limited (2 years with registration)

Lighting

Laser TypeRed beam

Laser ClassClass 2

Laser Power<5 mW mW

Wavelength630-650 nm nm

Performance

Range50 feet mm

Accuracy±5/16 inch at 30 feet mm

Leveling Range±3.5 degrees degrees

Operating ModesCross-line, Tilt/Angle

Power

Battery Type2 AA batteries or 3.7V 1.0 Ah Li-Ion

Included Batteries2 AA

Optional BatteryBosch 3.7V 1.0 Ah Li-Ion mAh

Laser

Laser ClassClass 2

Wavelength630-650 nm

Power Output<5 mW

Dimensions & Weight

Height0.1 inches

Width2.5 inches

Depth4.1 inches

Weight0.77 pounds

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Bosch GLL50-20

Expert Review Analysis

Best Seller Rank History

Specifications

Accessories

Design

Features

General

Lighting

Performance

Power

Laser

Dimensions & Weight

Research Sources

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