A more powerful, safer and smarter laser module kit for engraver, 3D printer, CNC mill and replacement for Arduino project.

Features:
– Designed for laser engraver machine, laser cutter, 3D printer, CNC millling, replacement for arduino project.
– 2 in 1 focus, adjustable lens and fixed focal length in one module.
– 7.5W blue light laser, suitable for engraving and cutting.
– More Safety, built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable.
– Modified laser air assist, avoid smoke damage to the lens.
– More quiet, intelligent drive adjust the cooling fan speed according laser temperature.
– Easy to use. Digital PWM wave pulse signal generator adjustable frequency duty-cycle board replacement for NEJE laser module. 
– Sliding slot is provided for easy adjustment of focus.
– Engrave a wide range of soft materials: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum. 

Note:
*12V3A power supply and goggles are not included in the kit.
*Can Engrave: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum 
*Can Not Engrave: Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material 
*Smoke will be generated when burned, please pay attention to smoke exhaust indoors. 
*Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin! 

Specifications:
Material: Aviation aluminum, brass
Laser Color: Blue
Module Input: 20-30W 
Optical Power Output: 7.5W (7500mW)
Wavelength: 445-450nm 
Beam Shape: Dot (Focusable) 
Working Voltage: DC 12V 
TTL&PWM Modulation: YES, compatible with Both TTL & PWM Modulation 
Input Voltage: DC12V 3A
PWM/TTL Input: DC3.3V-12V  
Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) 
NOTE: Temperature interface can be disconnected, the text instructions replacement for NEJE for temperature acquisition can be found on wiki. 
Drive Mode: External ACC 
Safe Temperature Range: <60 ℃ 
Module Weight: 202g (The lighter the weight, the smaller the move inertia, the better the performance) 
Life Time: 10000 ~ 20,000 hours
Cooling Mode：Temperature sensor intelligent control + 10000 rpm 40mm cooling fan
Section Size: 40*40mm
Adapter Plug: 5.5 2.1 port
Item Size: 6*4*4cm / 2.36*1.57*1.57in
Package Size: 16*11*6cm / 6.29*4.33*2.36in
Package Weight: 320g / 11.28oz

Packing List:
1 * 30W Laser Engraving Module 
1 * Laser Module Sliding Slot
1 * 4 Pin Cable(320mm Cable) 
1 * Interface Adapter Board
1 * 2.5mm Allen Wrench 
1 * 5mm Allen Wrench 
1 * 3pin Input Cable
1 * 2pin TTL Cable

1.We ship worldwide by China post,HK post EMS,DHL, Fedex,and so on,according to your choice when placing orders.we are unable to control the delivery time,because it is processed by the Third-party service.

2.If you didn’t receive the item after 45 days,please contact us first,and do not open the dispute directly,we will solve it quickly and in the best way.

3.Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

4.Service transit time is provided by carrier and excludes weekends and holidays.Transit times may vary,particulary during the holiday season

1 . If you are satisfied with our products,please give us 5 Stars Positive Feedback.Thank you very much.
2 . If you are not satisfied our the products,please contact with us firstly.We will try our best to resolve the problem.

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.

2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return.

3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress . OR, you may choose to have a replacement.

4. We will bear all the shipping cost if the product(s) is (are) not as advertised.

We are always welcome wholesale and drop shipping.
1. Remove our trademark and ads from parcel.
2. Remove receipt or invoice.
3. Support CSV/Excel Service.
4. There is no limited stock to fulfill the orders on a daily basis.
5. We use ePacket shipping for most countries, such as United States, Canada, Australia, Russian Federation, Germany, France , Spain , United Kingdom and New Zealand.
6. Priority shipping, fast shipping within 48 hours.
7. No promotional materials included.