7500mw Fixed-Focus Blue-Violet Laser Module with TTL Can Engrave Metal DIY Carving Engraving Machine Engraver Accessory

-Laser wavelength: 445nm (blue viole)

–Spot type: Dotted (unadjustable)

–Light power: 7.5 Watts (7500mw max)

–Drive mode: external ACC constant current drive

–Cooling method: Forced Air Cooling

–Operating voltage: 12V DC

–Shell material: Aluminum, Surface Anodized

–Module material: Copper

–Life Time:8,000hours

–Working temperature:-40-75Celsius