How Laser Tag Works: Sensors, Optics and Software Explained

Laser tag works with infrared light: a tagger sends a coded infrared shot carrying the player’s ID, team and damage, a sensor on the target’s headband or vest receives it, and the game counts the hit. Optics shape the beam’s range and spot size, and software writes the game settings and collects the statistics.

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Parallax optical system on a laser tag tagger

Every laser tag game, indoors or out, runs on the same few parts: a shot, a sensor, the optics between them and the software that sets the rules. Once you know what each does, choosing equipment gets much easier.

What happens when you pull the trigger?

The tagger sends a short burst of coded infrared light. In our classic equipment, which uses a protocol based on MilesTag II, that burst carries the shooter’s player ID, team colour and a damage code: 16 values from 1 to 100 units. A sensor on the target receives the packet, subtracts the damage from the player’s health and records who scored the hit. The full packet format is in our data protocol; the 11th generation, Alphatag, uses its own ALPHALINK protocol.

Because the protocol is shared, our MilesTag-based game sets also work alongside equipment from other manufacturers that use MilesTag 2.

What do the hit sensors do?

Sensors are what make a hit count. Outdoor players usually wear a headband: the Smart RGB headband has four sensors covering 360 degrees, vibrates on the side that was hit so players feel the direction of fire, and changes to the shooter’s team colour. The Alphatag headband has five hexagonal sensors. Indoor arenas favour vests such as the DEFENDER vest, which pairs wirelessly with the blaster.

Taggers can carry sensors too. A weapon hit sensor in the barrel punishes shooting around corners, and the Alphatag Sport tagger has three hit sensors so it can be hit from every side. Read headband, helmet or vest? for the trade-offs.

What do the optics do?

The optics shape the infrared beam: how far it reaches and how big the hit spot is at a given distance. A wide spot is forgiving; a narrow spot rewards real aim.

OpticsShapeWhat it is forKey facts
PrismSuppressor styleRental fleetsProven classic, certified eye-safe
ParallaxFlash hider styleLonger range and precise aiming62% more effective range, 3.2× accuracy, tube 2.6× smaller than the old optics; certified eye-safe; fitted at manufacturing on many models
FOKUSInternal module (80 g)Competition and phygital sportTwo-axis adjustment per shooter, hit spot about 22 cm at 10 m, range up to 300 m; official fit AK-25 Predator and AR-15 Ranger

On the 9th generation, shot power can also be set from 1 to 100% from the remote, for indoor and night games.

How do game devices fit in?

Game devices speak the same infrared language as the taggers. A first aid kit sends a command that restores health; a Cerberus mine hits every player within 12 m; a Trinity grenade hits everyone within 20 m indoors or 10 m outdoors; a remote can respawn, pause or kill a player or a whole team. Our game modes guide shows what each device adds.

What does the software do?

Before a game, the software writes the rules to every set: health, ammunition, damage, team colours, characters and the scenario. After the game, or live during it, it collects shots, hits and awards. Our configurators are free for every generation:

  • the Configurator for the 4th to 9th generations, with offline statistics for up to 128 players;
  • the X-Gen configurator for the 10th generation, with live statistics over Wi-Fi for up to 512 players;
  • AlphaTag Server and the Alphatag Configurator app for the 11th generation, for up to 65,000 players.

Next steps

Ready to choose? Start with our buyer’s guide and generations compared.

Frequently asked questions

Does laser tag use real lasers?

Our equipment uses infrared light, not a laser beam: the tagger sends a coded infrared shot and a sensor on the target receives it. On the 9th generation, shot power can be set from 1 to 100% for indoor and night games, and our Prism and Parallax optics were tested by a laboratory and certified eye-safe; the documents are on our Certificates page.

How does a laser tag gun know who hit whom?

Every shot is a coded data packet. Under the MilesTag II based protocol of our classic equipment, it carries the shooter’s player ID, team colour and a damage code from 1 to 100 units. The sensor that receives it records who scored the hit, and the software turns those records into statistics after or during the game.

What is the difference between Prism, Parallax and FOKUS optics?

Prism is our proven, certified classic, styled like a suppressor and ideal for rental fleets. Parallax is compact, styled like a flash hider, with a narrower hit spot: our figures are 62% more effective range and 3.2 times the accuracy of the old optics. FOKUS can be adjusted on two axes to each shooter, with a hit spot of about 22 cm at 10 m.

Where are the hit sensors on a laser tag player?

On a headband or a vest, and on some taggers too. The Smart RGB headband has four sensors covering 360 degrees and shows where a shot came from; the Alphatag headband has five hexagonal sensors. A weapon hit sensor in the barrel, available on every 9th generation model except pistols, lets opponents disable a gun fired from behind cover.

What does laser tag software do?

It writes the game settings, such as health, ammunition, damage, team colours, characters and scenarios, to every game set in minutes, and collects the statistics: shots, hits and awards. Our configurators are free for every generation, and the 10th and 11th generations stream statistics live to a TV, monitor or tablet over Wi-Fi.

How far can a laser tag gun shoot?

It depends on the tagger and its optics. Several of our outdoor taggers, such as HELLFIRE and the MP-9LT Phoenix, are listed with a range of up to 300 m, and FOKUS optics reach up to 300 m. Indoor blasters such as PULSAR are built for close quarters and dark arenas rather than for long range.

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