Special Offer US $163.80 oxlasers powerful 450nm 15W 15000mW blue laser module DIY laser head for CNC laser engraving machin

oxlasers powerful 450nm 15W 15000mW blue laser module DIY laser head for CNC laser engraving machin

[32958037528] Technical Parameters: Laser wavelength: 445nm-450nm blue laser Spot type: retangle spot (fixed focus, NOT FOCUSABLE) Size: 40*70mm Drive mode: external ACC constant current drive Cooling method: forced air cooling Operating voltage: 12V DC Control interface: 2 * 2.54 ( PWM control power) Shell material: aluminum, surface anodized Collimator lens: optical glass coating THIS IS NOT A FOCUSABLE LASER, this laser is for CNC laser engraving machine or laser cutter only!! PACKING LIST: LASER*1 3PIN CABLE*1 3pin-4pin cable*1 SAFETY GLASSES*1 BUYER MUST READING: When you connect laser to your controller board, please pay attention to the pin positions of 12v+ GND- and PWM/TTL, red wire=12V+, black wire=GND-. Yello wire=PWM+, white wire=PWM-(3-4pin wire). So Red Wire must be connected to the 12v+ pin on your controller board’s interface, Black Wire Must be connected to the GND- pin and Yellow Wire must be connected to the PWM/TTL pin, if you use 3-4pin wire, White wire should be connected to the PWM- pin. if your controller board’s laser interface pins are in different position, please change the wires position to make it match the positions of + - PWM of your interface. If the wires connected wrong, it will damage the diode and the driver board. Please add a fan when you engraving or cutting, in case smoke blur the lens damage the lens  

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