Blue Laser Module 450nm 2.5W Focusable for 3D Printer/CNC Engraving/Laser Engraving  mimitang55

الوصف

Size:2.5WLaser module dimension: 33mm*33mm*75mmOutput wavelength: 445nm~450nmOutput Power: 2.5WTTL frequency:0V(OFF) 5V(ON)PWM frequency:<9KhzFocal length: 450nm 2.5W adjustableNote: 1. Can engrave materials: wood, bamboo, plastic, paper, leather, bank card, rubber, ★ Note: 1. Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin! 2. Please note that the laser module should work for less than half an hour in one time. And then continue to work after cooling down to ensure the period of use. 3. We will send you a plug adapter according to your country. 4. The warranty period of laser module is one month.