*3 in 1 laser key chain *red laser beam *metal material *5 changeable heads with different lens *with plane takeoff sounds *with led blink *with keychain *3pcs AG13/LR44 batteries *blister card package *teaching, construction, traveling use *perfect promotional item *best gift/ advertising leader *200pcs/ctn; carton size: 47x36x40.5cm; gross weight: 9.5kgs