3 Laina Pahu Laser, Me ka Mākēneki

Ka nui o ka pahu 9 * 4 * 15cm, me ka magent ma ke kua, 3 kuapo kaʻawale no 3 mau laina kukuna, semiconductor kukuna diode lōʻihi lōʻihi 530nm, nā laina kukuna ākea 0,1mm, lako mana 2 pcs AAA mau pihi, 3V250mA