*laser keychain *red laser beam *metal materials *new 5 in 1 at head *with keychain *with 3pcs AG13/ LR44 batteries *tin gift box package *logo print/ engrave available *teaching, construction, traveling use *perfect promotional item *best gift/ advertising leader 100pcs/ctn; 37.5x32.5x21.5cm; gross weight: 10.5kgs;