The ultimate high tech game of tag! play inside or out, day or night. Works up to 60 meters away with pinpoint accuracy. Gameplay allows unlimited players. As you are e your Receiver vest will gradually change colour, hit ten times and youre out! complete with voice Coach guidance, full colour lighting effects, stereo sound and music. Laser x really is the complete gaming experience. Contains 2 laser x blasters & 2 Receiver vests.