445nm 4W Blue Laser Module  4000mw 450nm Laser Head with TTL Cutter Machine + Adapter + Free Glasses as gift 

Name: High Power Laser Module with TTL
Power: 4000mW/4W
Wavelength: 445nm-450nm
Emitting Color: Blue
Focusable: Yes, focus <0.5mm
Input Voltage: DC12V

DC Socket: 5.5-2.1 (Inside is '+', outside is '-')
Power supply: >3A
TTL: Yes, Low level(0V): OFF, High level(5V): ON.

Frequency: 0-20KHz
Cooling Mode: Heatsink and Cooling Fan
Material: Aluminum
Lens: Glass
Size: Laser Module: 90*40*40mm;

Features:
* It can adjust the focus(By Fingers), the smallest dot <0.5mm;
*Can carving wood (so easy);
*Can be use for laser cutter, laser engraving machine, cnc, diy laser;
*It can burn plastic,paper,balloons,cigarettes,wood and so on;
*Pointer distance >5000M;
*Can work continuously >12 hours;
*Lifetime: >50000 hours 
    

For More Details on PC Click here

For More Details on Portables Click here.