Cheapest Blue Laser Engraving Module 445nm 1.6W/2.5W

This blue laser module is usually used for industrial engraving, with high power, reliable stability, and low price. It has multiple functions: PWM/TTL interface, low-power switch, cooling fan, and adjustable focus. If you are looking for the cheapest 445nm module for laser engraving, this will be a recommended choice.

Specifications
Wavelength: 445nm (blue)
Output power: 1.6W / 2.5W
Adjustable focus: yes
The shape of the laser spot: dot
Drive mode: external ACC constant current drive
Cooling method: forced air cooling
Working voltage: 12V DC
Working current: < 1800mA
Working temperature: ±50°
Power supply control interface: 2.54-3P (power can be controlled by PWM or TTL signal)
Incidental function: switch for low-light positioning (you can turn on the switch and the laser module will work at low-power)
Collimating lens: optical glass coating
Housing material: dark blue surface with anodized aluminum
Module material: copper
Dimensions: 33mm × 70mm

Notes:
1) This powerful laser module is limited to industrial applications (such as laser engraving), and it is prohibited to hurt humans or animals.
2) Do not allow children to touch this laser product.

Packing List
• 1 x 445nm Laser Engraving Module
• 1 x 12V Power Adapter
• 1 x Warranty Card