450nm 40W Laser Module Fixed Focal Length Laser Engraving Head High Speed Laser Engraver Cutter 3D Printer CNC Router Laser Module for DIY Craft Wood Leather Fabric Paper Cutting Engraving ( Item#: E20075-40 )

Professional laser module, easy to install, with lower loss, provides 450nm wavelength, for efficient, precise engraving and cutting of plastic, wood, leather, paper and so on, suitable for a wide range of engraving machines.

Features:
With adjustable focal length (5.5W/ 10W/ 20W) or fixed focal length (30W/ 40W). Made of premium quality aluminum alloy casing with great durability.
It can engrave paper, wood, fabric, plastic, leather, anodized aluminum, etc. Different laser modules for engraving/ cutting different kinds of material and different thicknesses.
Features high engraving speed, low power loss, good stability and superior performance, with fine heat dissipation to extend its service life.
Compact and lightweight, easy to assemble, has over 30cm long line. Comes with screws, convenient and simple to be installed on the machine.
Wide application, it's designed for laser engraver, laser cutting machine, 3D printer, CNC mill and so on, suitable for DIY lover, CNC engineer, artist and more

Note:
1. Please wear laser glasses during usage and avoid touching the laser directly with your eyes and skin.
2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.

Specifications:
Laser Power: 5.5W/ 10W/ 20W/ 30W/ 40W (Optional)
--Adjustable Focal Length: 5.5W/ 10W/ 20W (20-70mm)
--Fixed Focal Length: 30W (126mm)/ 40W (150mm)
Color: Black
Material: Aluminum Alloy + Electronic Components
Wave Length: 450nm
Luminous Color: Blue
Operating Voltage: 12V
PWM/ TTL Input: DC 3.3V-12V, 100Hz-50KHz
Input Interface: XH2.54-3 Pin (+, -, PWM/ TTL)
Continuous Working: Unlimited
Operating Temperature: -20℃~70℃
Item Size: Approx.
5.5W/ 10W: 105 * 30 * 30mm / 4.13 * 1.18 * 1.18in
20W: 120 * 40 * 40mm / 4.72 * 1.57 * 1.57in
30W/ 40W: 115 * 40 * 40mm / 4.53 * 1.57 * 1.57in
Package Size: Approx. 16 * 6 * 6cm / 6.30 * 2.36 * 2.36in
Package Weight: Approx.
5.5W/ 10W: 170g / 5.99oz
20W: 258g / 9.09oz
30W/ 40W: 263g / 9.27oz

Packing List:
1 * Laser Module
3 * Screw
3 * Washer
1 * User Manual (English)