Oxlasers 4W Blue Laser Module CNC Laser Head for DIY Laser Engraver 12V 4000mW Focusable Laser with PWM Control (Orange Heatsink)
- ORANGE HEATSINK, true 4000mw laser head, focusable, can cut max 3mm plywood in a very slow speed and 3-4 passes!
- if you want use it to connect 110--240V power source directly , please get yourself a 12V 5A DC Adapter, and need to cut the wires and connect wires red to red, black to black
- please pay attention when connecting wires : RED wire=12V+ , BLACK wire=GND -, Yellow Wire= PWM,PWM: 0-5V <18khz
- wrong connection of the wires may damage the driver board and the diode
- This laser has retangular dot, not a round dot, so when you focus it to the smallest pinpoint, there will be a small line across the dot, so when you see it , dont worry, its normal, it won't affect engraving effect