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. This is the upgraded version with protective cover, safer to use than the old one.<br> Features:<br> Upgraded version: Equipped with adjustable protective cover to protect your eyes, no need to wear extra laser glasses while working, safer to use than ordinary laser head.<br> With adjustable focal length (5.5W/ 10W/ 20W, 20-70mm) or fixed focal length (30W, 12.6mm/ 40W, 15mm/ 40W, 40mm). Made of premium quality aluminum alloy casing with great durability.<br> It can engrave paper, wood, fabric, plastic, leather, anodized aluminum, etc. Different laser modules for engraving/ cutting different kinds of material and different thicknesses.<br> Features high engraving speed, low power loss, good stability and superior performance, with fine heat dissipation to extend its service life.<br> Compact and lightweight, easy to assemble, has over 30cm long line. Comes with screws, convenient and simple to be installed on the machine.<br> 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<br> Note:<br> 1. Avoid eye or skin exposure to direct or scattered laser light.<br> 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.<br> Specifications:<br> Laser Power: 5.5W/ 10W/ 20W/ 30W/ 40W/ 40W (Optional)<br> --Adjustable Focal Length: 5.5W/ 10W/ 20W (20-70mm)<br> --Fixed Focal Length: 30W (12.6mm)/ 40W (15mm)/ 40W (40mm)<br> Color: Wine Red<br> Material: Aluminum Alloy + Electronic Components<br> Wave Length: 450nm<br> Luminous Color: Blue<br> Operating Voltage: 12V<br> PWM/ TTL Input: DC 3.3V-12V, 100Hz-50KHz<br> Input Interface: XH2.54-3 Pin (+, -, PWM/ TTL)<br> Continuous Working: Unlimited<br> Operating Temperature: -20℃~70℃<br> Laser Head Size: Approx.<br> 5.5W/ 10W: 105 * 30 * 30mm / 4.13 * 1.18 * 1.18in<br> 20W: 120 * 40 * 40mm / 4.72 * 1.57 * 1.57in<br> 30W (12.6mm)/ 40W (15mm): 115 * 40 * 40mm / 4.53 * 1.57 * 1.57in<br> 40W (40mm): 100 * 40 * 40mm / 3.94 * 1.57 * 1.57in<br> Package Size: Approx. 16 * 6 * 6cm / 6.30 * 2.36 * 2.36in<br> Packing List:<br> 1 * Laser Module<br> 3 * Screw<br> 3 * Washer<br> 1 * User Manual (English)<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store