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Adjustable focus 450NM 5W CNC blue laser DIY engraving laser module PWM laser head PWM: 0-5V,<18Khz

Must read before purchase:

1. The laser power module is relatively large, so eye contact is prohibited, otherwise permanent blindness may occur, and the consequences are natural

2. Do not use in flammable and gas environments to avoid fires and explosions.

3. Children are prohibited from coming into contact with this laser product.

4. This laser only comes with one 3PIN cable, one 3-pin to 4pin connection cable, one DC to 3PIN adapter connection cable, and one laser. It is suitable for direct installation on the engraving machine. If you need to directly connect to the power supply, please prepare a 12V 5A power cord yourself, which can be plugged into the socket and light up directly

5. Only wood boards, leather, cardboard and other materials can be carved, and no metal, transparent, semi transparent, or reflective materials can be carved. Only very thin plywood and cardboard can be cut

6. Do not open the module to prevent damage.