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

Shipping:

1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.
2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .
3.If you didn’t receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges.

Warranty:

1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.