1. Introduction

The Longer Ray5 20W is a high-power diode laser engraver designed for makers, woodworkers, small studios, and hobby business owners who want fast, clean cutting performance at an affordable price. With a true 20W optical output, touchscreen controls, Wi-Fi connectivity, and multiple safety protections, the Ray5 20W is one of the most capable diode machines in its price class.

Compared to typical 5–10W diode lasers, this 20W version delivers 4× cutting power, enabling deeper cuts, faster engraving, and compatibility with more materials.

2. Design & Build Quality

Sturdy All-Metal Frame

Ensures stability and reduces vibration during engraving and high-power cutting.

Modular & Easy to Assemble

The open-frame structure assembles quickly, making it beginner-friendly.

Built-In 3.5″ Touchscreen

Allows offline engraving, job management, and real-time progress monitoring.

Cable Management & Clean Layout

Wiring is neatly routed, improving reliability and aesthetics.

Stable Mechanical Motion

Smooth linear guide system ensures consistent engraving precision.

Overall: solid, well-engineered, and built for long-term workshop use.

3. Setup / Usability

Quick 10–20 Minute Setup

Clear instructions and pre-assembled modules help beginners get started fast.

 Offline Engraving Support

You can run jobs directly via touchscreen + SD card—no PC required.

Wi-Fi + App Connectivity

Upload files wirelessly, monitor progress, and manage projects conveniently.

Easy Focusing System

Sliding fixed-focus design makes setup simple and accurate.

Compatible With Multiple Software

LightBurn, LaserGRBL, Longer’s own interface.

Usability is excellent for both beginners and advanced users.

4. Key Features

True 20W Optical Laser Power

Combines four 5W laser diodes into one compressed beam for:

• Faster cutting

• Cleaner lines

• Deeper penetration

0.08 × 0.10 mm Ultra-Fine Spot

Sharper engraving details for logos, artwork, jewelry, and professional-quality output.

32-bit Motherboard

Smoother motion control + faster data processing.

Smart Safety Systems

Includes:

• Flame detection

• Motion/tilt sensor

• Eye-protection shield

• Emergency stop button

• Built-in thermal protection

Material Compatibility

Cuts:

• Wood

• MDF

• Basswood

• Acrylic (black, dark-colored)

• Leather

• Paper

• Fabric

Engraves:

• Metal (stainless steel, coated metals)

• Glass (with coating)

• Stone

• Ceramics

• Anodized aluminum

5. Performance

Fast Cutting Speed

20W output significantly reduces cutting time on thick hardwoods and acrylic.

Clean Engraving Lines

Ultra-fine spot produces crisp detail with minimal burn marks.

Strong Cutting Capability

Examples (varies by specific material):

• Up to 12–15 mm soft wood in one pass

• 8–10 mm acrylic in multiple passes

Stable Long-Duration Jobs

Metal frame prevents wobble, producing consistent results on large engravings.

High Accuracy

Fine detail reproduction for logos, QR codes, small graphics, and lettering.

6. Pros

• True 20W optical power for fast & deep cuts

• High engraving precision

• Built-in touchscreen + offline engraving

• Multiple safety protections

• Stable, all-metal frame

• Good material compatibility

• Wi-Fi + SD card support

• Great value compared to similar 20W competitors

7. Cons

• Open-frame design requires an enclosure for indoor use

• Acrylic can only be cut if dark-colored (standard for diode lasers)

• Fan noise can be noticeable

• Must manage smoke extraction for heavy cutting

• Not as strong as CO₂ lasers for large-scale acrylic work

8. Who Should Buy It?

Perfect for:

• Makers wanting a powerful mid-range diode engraver

• Woodworkers and leather artisans

• Small business owners selling custom products

• Etsy sellers (signs, décor, engraved gifts)

• Hobbyists upgrading from 5W/10W lasers

• Schools or labs teaching digital fabrication

Not ideal for:

• Users needing CO₂-level acrylic performance

• People with no ventilation solution

• Extremely large-format industrial production

9. Personal Experience

The Ray5 20W performs impressively for a compact diode machine. Cuts are clean, power is consistent, and engraving quality is crisp even on small text. The touchscreen noticeably improves workflow—no PC or cables required. Safety sensors work well and add peace of mind, especially for beginners.

For its price, the Ray5 20W offers outstanding cutting speed and accuracy.

10. Final Verdict

The Longer Ray5 20W Laser Engraver is one of the best-value high-power diode engravers available. With strong performance, smart safety features, excellent software compatibility, and a user-friendly touchscreen interface, it’s a top pick for creators, small shops, and makers looking to expand their capabilities.

👉 If you want a fast, precise 20W diode laser at a great price, the Ray5 20W is absolutely worth it.