Laser Engraver Longer RAY5 minis 3.5W — compact desktop diode laser, 3.5W output

Longer RAY5 minis 3.5W is a compact desktop diode laser engraver with a rated 3.5 W output designed for hobbyists, makers and small workshops. The unit arrives pre-assembled with a 130 × 140 mm working area and a maximum engraving speed of 12,000 mm/min, enabling detailed engraving and light cutting on suitable materials while remaining small enough for a desk or studio environment.

Advantages

The device offers a fine 0.04 × 0.04 mm laser spot and 0.04 mm engraving precision for crisp lines and small text. A mechanical 2 mm focus spacer ensures repeatable focus without lengthy trial-and-error for each material. The enclosed design includes a cover with a door sensor, axis limit switches, an emergency stop button and an exhaust fan to reduce fumes, improving safety and comfort during indoor use. USB and Wi‑Fi connectivity plus support for LaserGRBL and LightBurn let you prepare jobs on Windows, macOS, Linux, Android or iOS and run them offline when needed.

Suitable for

• Engraving decorative items, jewelry, keychains and nameplates
• Personalizing gifts, signs and small product labels
• Cutting thin materials for prototypes and small assemblies
• Small-batch production for micro-sellers and makers

Key specifications

• Laser power: 3.5 W diode at 450 nm
• Working area: 130 × 140 mm
• Maximum engraving speed: 12,000 mm/min
• Engraving precision (spot size): 0.04 mm
• Typical cutting depth: up to 12 mm (material-dependent)
• Supported image and vector formats: JPG, BMP, PNG, DXF
• Body material and dimensions: aluminum alloy; 307 × 320 × 197 mm
• Weight: 2.89 kg
• Connectivity: USB and Wi‑Fi; mobile app support
• Supported operating systems: Windows, macOS, Linux, Android, iOS
• Estimated diode lifespan: 10,000+ hours

How to use

Place the RAY5 minis on a stable desk or bench and connect the supplied power supply and data cable. Use the included focus block to set the mechanical focus, then prepare artwork in a compatible format (JPG, BMP, PNG or DXF) using LaserGRBL, LightBurn or a supported mobile app. Transfer the file via USB or Wi‑Fi, position your material within the 130 × 140 mm working area, and run a test engraving at low power to confirm settings. Monitor the initial pass and use incremental adjustments to optimize power and speed for the specific material.

Usage recommendations

Use safety glasses supplied with the kit when aligning and testing the laser. Work in a well-ventilated area or use extraction to remove fumes when engraving materials such as acrylic, leather or coated substrates. For consistent results, perform a short test cut or engraving on a scrap piece of the same material to determine optimal speed and power settings before processing final items.