3 Mipira Laser Bokosi

Kukula kwa 6 * 10 * 2.5cm, chosinthana 3 cha mizere itatu ya laser, mtunda uliwonse 12mm, semiconductor laser diode wavelength 530nm, mizere ya laser m'lifupi 0.1mm, magetsi 2 ma PC mabatire AAA, 3V250mA