At their core, laser tag systems typically use infrared signaling to track firing of the beam. In indoor play, a visible light combined with theatrical fog typically provides the visual effect of firing, while having no actual role in transmitting the fire signal, the bright light is where Laser Tag get its name!. In all but the most basic of systems, the infrared signal sent by the gun when it fires is encoded with information such as the identity of the pack from which it originated. This coding allows for scoring and may also act to discourage interference from unauthorized devices in the playing area. Zone uses a combination of IR, Radio and Wi-Fi signals which allows us a lot of control on how the phaser interacts with the game, allowing awesome features like our proximity controls, and special weapon modes!