Feature: 1. Upgrade Engraving Module: Our engraving module has an output power of 11W, which can cleanly cut 3mm thick plywood at one time, and the engraving speed can up to 1000mm per second. 2. Strong Compatibility: This module is suitable for NEJE 3 Plus, and also compatible with other brands of engraving machines, 3D printers and CNC router machines. 3. Safety Protection: Safety is always the top priority, the built in protective glass ensures the eyes, making you feel more comfortable and safe while engraving, no need to wear extra protective glasses. 4. Intelligent Adjustment: The module has a built in fast intelligent drive, the temperature is detected in time, and the fan is intelligently adjusted to reduce noise, which is safe and quiet during engraving work. 5. Wide Range of Uses: Engraving module can be used to carve wood, MDF, leather, paper, cotton, etc. After spraying, stainless steel, glass and transparent acrylic can be engraved, giving you more funny works. Specification: Item Type: Laser engraving module Material: Aluminum alloy and brass Item Model Number: E40 Minimum Focus Size: 0.06 x 0.06mm Focusing Method: Fixed (3mm from the heat sink) Optical Power: CW 11W+ Wavelength: 450nm Module Size: Approx. 40 x 48 x 130mm / 1.6 x 1.9 x 5.1in Input: DC 12V 4A Interface: 4pin PH2.0+ (2pin DC12v plus power supply) Compatible With: For NEJE 3 Max, for NEJE 3 Pro, for NEJE 2s Max, for NEJE 2s Plus, etc... Power Control: PWM Power Modulation Fan: Double ball high life fan Drive: For NEJE Smart Quiet Drive, built in static elimination technology. Surge Protection: Yes Smart Feedback: Yes Temperature Feedback: Yes Temperature Control: 45?? Air Pump: 0.5-1.5mpa clean air Air Interface: 4mm PVC air pipe Protective Window Lens: Yes (resistant to 1000 ??). Package List: 1 x Laser Engraving Module3 x Cable1 x Digital PWM Converter Board1 x Interface Adapter Board2 x Hex Wrench1 x Air Tube1 x Air Tube Adapter1 x Sliding Slot1 x Instruction Manual Note: 1. When the machine is running, do not leave without authorization. Please wear laser goggles during use to avoid direct contact with the eyes and skin of the laser 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.