12V TTL High Power 450nm 4W 4000mw Adjustable Blue Laser Dot Module Engraver with Heatsink. Laser head size: 40 x 40 x 100mm. The laser is equipped with cooling fan, it is recommended to be carved 20-30mm focus.Light spots can generally be transferred to. Working power requirements 12V 5A TTL signal control 0.5V 0V OFF 5V ON. Can be carved in wood, plastic, alumina. Can be applied to PVC film, fabric and other cutting. Note: Attention to safety glasses and fire, please operate in an empty open empty mirror. This laser module can not work for a long time if there is no cooling device to keep the laser working under 30. Please add a 12VDC power to this laser module. Red wire connects+ pole; Black wire connects - pole. TTL 3-5V on, 0V off. If you don't use TTL, please just leave the blue and white wire. This is a focusable laser module. Please do not take off the lens adjustable part off to avoid dust. There is a potentiometer on the driver. You can turn it to adjust the power of the laser. Turn Clockwise to increase the laser power. Otherwise to decease the power. But the current can not surpass the current we have set up. Please wear 450nm laser protection goggles to protect your eyes when working on this module.
If you want to change to another address, please leave us a message immediately before it is mailed out. We will not take any responsibility for package missing because of the wrong address. But to some countries in South America, Africa and East Aian countries, it can take longer time, as long as 40-60 days. Russia just can use Expree byEMS.
And EMS is still very slow than other Express. We have business corporation with these Express which they will provide a good severice. We think communicate is a good way to solve any problem.We will try our best way to help you if it is our problem. So if you have any advice , please let us know. The item "12V TTL High Power 450nm 4W 4000mw Adjustable Blue Laser Dot Module Engraver cut" is in sale since Thursday, November 23, 2017. This item is in the category "Business & Industrial\Office\Projectors & Presentation Equipment\Laser Pointers". The seller is "sun0200" and is located in , . This item can be shipped worldwide.