option1-2: just only the laser pointer.
option3-4:just only the laser pointer+4* star caps
option5-6: including the laser +1*18650battery+charger
option7-8: including the laser+4* star caps +1*18650battery+charger
option9-10: including the laser+1*18650battery+charger+green box
option11-13: including the laser+4*star caps +1*18650battery+charger+green box
option14-16:including the Two laser+2*18650battery+green box