new stock (as seen on photo) Specially for micro-engraving machine 12V power supply "Adjustable focus " Wavelength: 405-450nm DC 12V Working temperature: +10~40C
TTL: 5V off, 0V on Can engrave wood, plastic, etc free laser safety glasses ******* free tidak bisa dicomplain
Warning: 1. The laser module power is relatively large, prohibit exposure to the eyes (including the cute little animals), otherwise it will cause permanent eye blindness peril. 2. Prohibit the use of combustible objects and gas places to avoid fire and explosion. . Do not allow children to play.. Do not open the module to avoid damage.