Feature: 1. High Performance: This laser engraving machine has larger engraving cutting area, optical power output 10W, focus 0.01mm, supports engraving and cutting, specially designed for laser engraving machine, 3D printer, CNC milling machine 2. Safety Design: The laser module comes with a protective plate design, which can block more than 90% of light leakage, built in MEMS rolling protection, protective glass, and safety goggles for safer use 3. Quiet Intelligent Drive: The laser engraving machine adopts digital PWM wave pulse signal generator adjustment frequency duty cycle board, can be used and driven silently and intelligent, can automatically adjust the fan speed according to the laser temperature 4. Two Focusing Methods: The laser engraving machine can be adjusted directly, or can be adjusted to a fixed position, using a fixed thickness plate for focusing, a slidable installation fixture is provided for easy focusing 5. Wide Compatibility: The laser engraving machine supports for GRBL 1.1f firmware, for laserGRBL, for benbox and for lightburn software, supports for NEJE series software, including for Android APP, for Windows software, for OS x software, wireless APP for IOS, for OS X, scanner APP, 4pin interface series module Specification: Item Type: Laser Engraving Machine Heat Sink Material: Aircraft aluminum and brass shell Model: NEJE module (A40640) Luminous Color: Blue Section Size: Approx.40x40mm/1.6x1.6in Engraving Size: Approx.255x440mm/10x17.3in Cooling Method: Temperature sensor intelligent control and 10000 rpm 40mm cooling fan Size: Approx.60x40x40mm/2.4x1.6x1.6in Adapter: 5.5 2.1 port Engravable Material: Metal, MDF, balsa, paper, wood, fabric, plastic, leather, plywood, foam paper, anodized aluminum, stainless steel Non Engravable Material: Glass, stone, ceramic, PCB, reflective material, transparent material Technical Parameter: Input Power: 60-80W Optical Power Output: 10W Wavelength: 445-450nm Beam Shape: Dot (Focusable) Working Voltage: DC 12V TTL and PWM Modulation: Support, compatible with TTL and PWM modulation Input Voltage: DC12V 4A PWM and TTL Input: DC3.3-12V Input Interface: PH2.0, 4Pin (+,-, PWM TTL, Temperature), 3Pin (+,-, PWM TTL) , 2Pin and 2Pin (+,-) and (PWM TTL,-) Note: The temperature interface can be disconnected Drive Mode: External ACC Safe Temperature Range: <60℃ Module Weight: Approx.202g/7.1oz (the lighter the weight, the smaller the inertia and the better the performance) Life: 20000 hours. Package List: 1 x Laser Engraving Machine1 x Laser Module1 x 12V 4A Power Adapter1 x Manual1 x Goggle1 x Data Cable1 x Pen1 x Brush1 x Focusing Film1 x Installation Package Note: 1. When the machine is running, please do not leave without authorization. Please wear laser goggles during use to avoid direct contact with the eyes and skin.2. Do not engrave mirror objects, pay attention to fire prevention, and pay attention to pets when working.3. Smoke will be produced when burning, please pay attention to indoor smoke exhaust.4. If there is any problem with your laser module, please do not disassemble it without our permission. It will destroy the laser module.5. If you have any quality problems with the machine, please feel free to contact us. Many operational problems can be solved based on your video and problem description.