Product Description

520nm 20mW Green Laser Module – Dot, Line & Cross

This 520nm 20mW green laser module provides a bright visible green laser output and is available with dot, line and cross beam patterns for positioning, alignment, teaching demonstrations, optical experiments and equipment integration.

Featuring a compact Ø14 × 60mm aluminum housing and adjustable focus, the module allows the projected spot or pattern to be adjusted according to different working distances and application requirements.

The complete set includes an adjustable mounting bracket and compatible power supply, making it convenient for desktop demonstrations, laboratory setups, optical experiments and positioning applications.

Key Features

• 520nm visible green laser
• 20mW optical output power
• Dot / Line / Cross beam options
• Adjustable focus
• Compact Ø14 × 60mm module
• DC 4–5V operating voltage
• Working current: 100–200mA
• Adjustable mounting bracket included
• Compatible power supply included
• Bright visible green output
• Suitable for positioning and alignment
• Suitable for teaching and optical experiments
• OEM & wholesale support available

Technical Specifications

Dot, Line & Cross Beam Options

Choose the beam pattern according to your application.

Dot Beam

Produces a concentrated green laser spot suitable for positioning, pointing, alignment and optical demonstrations.

Line Beam

Projects a visible green line suitable for alignment, positioning, reference-line and experimental applications.

Cross Beam

Projects intersecting horizontal and vertical green lines, providing a convenient reference center for positioning and alignment applications.

Please select the required beam pattern before ordering.

Adjustable Focus

The module features adjustable focus, allowing the projected laser spot or pattern to be adjusted for different working distances.

Actual spot size, line width and visibility may vary depending on the selected beam pattern, focus setting, working distance, ambient lighting and target surface.

Adjustable Mounting Bracket

The included mounting bracket provides a convenient way to position and stabilize the laser module.

It is suitable for:

• Optical experiments
• Teaching demonstrations
• Laboratory setups
• Positioning applications
• Alignment applications
• Desktop demonstrations
• Equipment testing

The mounting angle can be adjusted to help achieve the required beam position.

Power Supply Included

A compatible power supply is included with the complete set for convenient operation.

Laser module operating voltage: DC 4–5V

Use the supplied power supply or an approved compatible power source that meets the module's electrical requirements.

Typical Applications

The 520nm green laser module is suitable for applications such as:

• Laser positioning
• Alignment systems
• Teaching demonstrations
• Optical experiments
• Laboratory projects
• Measurement setups
• Visual reference systems
• Electronic equipment integration
• Research and development
• OEM applications

Package Includes

• 1 × 520nm 20mW Green Laser Module
• 1 × Adjustable Mounting Bracket
• 1 × Compatible Power Supply

Please select the required Dot, Line or Cross beam option before ordering.

Safety Information

⚠️ Laser Safety Notice

• Never look directly into the laser beam.
• Do not aim the beam toward people or animals.
• Never point the laser toward vehicles or aircraft.
• Avoid reflective surfaces that may redirect the beam.
• Use appropriate laser safety eyewear where required.
• Keep away from children and unauthorized users.
• Follow applicable local regulations regarding laser products.

OEM & Wholesale

Lilly Electronics supplies laser modules for individual projects, equipment integration, research applications, OEM manufacturing and volume purchasing.

For bulk orders or customized requirements, please contact us with your required specifications and quantity for availability and quotation.