PWM/TTL Blue Laser Engraving Module/Focusable 450nm 4W High Power Etcher Laser

TTL function depends on your engraving machine signal.

Parameters:
1) Wavelength: 445nm-450nm
2) Output Power: 4000mW+
3) Adjust the focus: Yes
4)Working Voltage: 12V
5) Power supply: 2A
6)TTL connector cable attached.
8)Cooling mode: Heatsink and Fan
9)Material: Metal
10)Lens: Glass
11) Size：33mm*33mm*55mm

Package List：
1 pcs laser module
1 pcs google
1 pcs power