The laser module features 30W power input, 7.5W optical power output, 445nm~450nm wavelength, vision protection, modified laser air assist and high-speed cooling fan. Great for cutting and engraving various soft materials.

Features:
– Designed for laser engraver machine. Replacement for NEJE Master series.
– 7.5W blue light diode laser, 30W module input, suitable for engraving and cutting.
– Fixed lens design, not focusing lens, change the object height to change the focus distance.
– Protective glass for more safer and comfortable operation, no need to wear goggles.
– Modified laser air assist, avoid smoke damage to the lens, keep the optical power stable.
– Quiet and intelligent drive adjusts the cooling fan speed according to the laser temperature.
– 15000 rpm high speed cooling fan for more effective heat dissipation.
– Built with heat-removing silicone grease for strict control of temperature.
– Engrave a wide range of soft materials: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum. 

Note:
*Only works with Master series engraver.
*12V3A power supply is required if your machine is 7W or 3500mW.
*12V3A power supply and goggles are not included in the kit.
*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
Cooling Mode: Temperature sensor intelligent control + 15000 rpm cooling fan
Module Input: 20-30W
Optical Power Output: 7.5W (7500mW)
Wavelength: 445-450nm
Lens: Fixed
Working Voltage: DC 12V3A
Input Voltage：DC12V 3A
Item Size: approx. 9*3*3cm / 3.54*1.18*1.18in
Package Size: 16*11*6cm / 6.29*4.33*2.36in
Package Weight: 400g / 14.1oz

Packing List:
1 * 30W Laser Module
1 * Sliding Slot
1 * 4pin Cable
2 * Allen Wrench

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.