Laser X Ultra Micro B2 BlasterSet equips 1 player with Laser X Revolution Micro B2 Blaster Blast opponents up to 300 feet indoors or outdoors Blaster to chest receiver play with hits registered on chest receivers Chest receivers notify players when they are hit and identify who blasted them Choose from 20 different team color combinations Compact size for easy portability Features sound and lighting effects Requires 3 AAA batteries (not included) All Laser X gear works together