Aircraft Aluminum + Brass Shell. 40mm copper core + Heat Sink Groove+ Thermal silicone grease + 15000 rpm cooling fan. AC 100-240V UL certification high quality.Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material. YES, Compatible with Both TTL & PWM Modulation. PH2.0-4Pin (+, -, PWM/TTL, Temperature), 3Pin (+, -, PWM/TTL) , 2Pin+2Pin (+, -) + (PWM/TTL, -). NOTE Temperature interface can be disconnectedNEJE provides text instructions for temperature acquisition on wiki. Module weight 202g (The lighter the weight, the smaller the move inertia, the better the performance). Life Time 20,000 hours. Speed 330, cutting 3 times, each cutting 1.0mm. Speed 200, cut 2 times, each cut 1.5mm. Speed 100, cut once, cut 3mm each time. Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin!
Do not engrave mirror objectsPay attention to firePay attention to pets when working. Smoke will be generated when burned, please pay attention to smoke exhaust indoors. If you have any quality problem(Except individual situation like using the laser module more than 30 minutes per time and casue the damage), please feel free to ask our customer service for a help. If your laser module has any problem, please DO NOT dismantle it without our permission. It will destroy the laser module.Many operative problem can be solved according to your video and problem description. This laser module is compatible with our NEJE machine. 1 x 5.5W Laser Engraving Module. 1 x 4 Pin Sport Cable. 2 x ABS cushion post.
We will reply you ASAP. Optical Focusing Lens for NEJE MASTER 20W/7W/3500mw laser engraving machine. 7W 450nm laser engraving module laser head TTL / PWM For NEJE Machine DIY mark. NEJE MASTER 2 3500MW CNC Laser Engraver Logo Marking Engraving Machine DIY Kit.NEJE Master 7W CNC Laser Engraver DIY engraving Machine Logo Mark APP Control US. TTL/PWM 3500MW Laser engraving Module head for NEJE CNC laser engraving machine. The item "NEJE 20W 450nm laser module head for CNC laser engraving cutting machine" is in sale since Thursday, July 2, 2020. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Lamps, Bulbs & Laser Components\Laser Modules & Heads". The seller is "neje-laser" and is located in shenzhen. This item can be shipped worldwide.