571nm 10mW Yellow Dot Laser Module 2V Mini 12×21mm | Elubor

571nm 10mW Yellow Dot Laser Module — Compact & Precise

The Elubor 571nm Yellow Dot Laser Module is a high-performance, ultra-compact laser diode module designed for stage lighting, alignment, optical experiments, DIY projects, and professional applications. Its vivid 571nm yellow wavelength produces a sharp, bright dot that stands out in both low-light and controlled environments. With a tiny 12×21mm form factor, this module fits seamlessly into custom builds and portable setups.

Key Specifications

• Wavelength: 571nm (Yellow)
• Output Power: Minimum 10mW
• Operating Voltage: 1.8V – 2.2V DC (rated 2V)
• Beam Type: Dot
• Dimensions: 12mm (diameter) × 21mm (length)
• Max Light Spot at 10m: ~2mm
• Style: Mini / Self-contained
• Batteries Included: No
• Occasion: Professional Stage & DJ, Optical, DIY Electronics
• Made in Mainland China

Why Choose This Yellow Laser Module?

• 🟡 Rare 571nm Yellow Wavelength — distinct and highly visible dot for precision targeting and creative effects
• 🔬 Ultra-Compact Body — 12×21mm size makes integration into tight spaces simple
• ⚡ Low Voltage Operation — runs efficiently at just 2V DC, ideal for battery-powered or microcontroller-driven designs
• 🎭 Stage & DJ Ready — certified for professional stage lighting effects and entertainment setups
• 🛠️ Versatile Applications — alignment, leveling tools, laser pointer bases, optical research, educational demos, and more

What's in the Box?

• 1× 571nm 10mW Yellow Dot Laser Module (12×21mm)

Note: Batteries and external power supply are not included. Always use appropriate laser safety precautions — never point the beam directly at eyes.

For laser safety guidelines and best practices, refer to the U.S. Consumer Product Safety Commission – Laser Pointer Safety.

Frequently Asked Questions

Q: What is the operating voltage for the 571nm yellow dot laser module?

A: This laser module operates between a minimum of 1.8V and a maximum of 2.2V DC, with a nominal rated voltage of 2V. Always ensure your power supply stays within this range to protect the module.

Q: What is the beam spot size at a distance?

A: At a distance of 10 meters, the maximum light spot size is approximately 2mm, making it ideal for precision dot-alignment and stage lighting applications.

Q: Can this laser module be used with a microcontroller like Arduino?

A: Yes. Because this module operates at a low DC voltage of around 2V, it can be driven using a suitable current-limiting circuit or driver board alongside microcontrollers such as Arduino, making it perfect for DIY electronics and educational projects.

Q: Is this laser module safe to use?

A: Like all laser devices, this module should be handled with care. Never direct the beam at eyes or reflective surfaces without proper safety equipment. Follow all applicable local laser safety regulations when using this product in professional or public settings.