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The Stun Baton, also known as the Stunstick, is an electrified baton used by Metrocops to enforce the law on unruly Citizens, as well as restrain, harass or simply beat them. It is seen in the first and third chapters of Half-Life 2, Point Insertion and Route Kanal, and is a usable weapon in Half-Life 2: Deathmatch.
- Stunsticks are similar in use and appearance to the batons used by real-world police officers, though considerably more brutal in application.
- The small electrical device contained within the tip is used to electrocute anyone hit with the baton. When activated, the tip emits an electrical blue glow. It will stun the target for a few seconds, causing pain and confusion. The baton is approximately 22 inches long and is manufactured from a gray metal.
- Often, Stun Batons are used simply to beat Citizens who do not comply with Combine rules and regulations, or who simply disobey Civil Protection officers no matter how trivial the matter may be. For instance, in Point Insertion, Gordon Freeman receives a beating if he puts the >B can elsewhere than in the bin (e.g. throwing it at the CP or on the floor). They are also used in Civil Protection raids to subdue targeted Citizens or Rebels, as seen in Point Insertion as well.
- While Freeman cannot use the Stun Baton as a weapon, it can be picked up and used as a battery, recharging the HEV Suit's power by 7%. However if the enemy is killed from far range, the Stun Baton will simply disappear once it is dropped.
- In Half-life 2: Deathmatch, the Stun Baton is always given to players who spawn with Combine player models. It only has one level of damage and cannot have its stun mode toggled on or off. It is very similar in function to the crowbar, though it does significantly more damage (it will take 3 hits to kill a fully healed enemy), and has a slower attack rate. It is better suited against enemies whose health are already low.
 Behind the scenes
Metrocop watching over Citizens with his Stun Baton in the cut Manhack Arcade.
The "pick up that can" Metrocop about to send a >B can on the ground.
 List of appearances
- Half-Life 2 - E3 2004 Teaser Trailer (First appearance) (Non-canonical appearance)
- Half-Life 2 - E3 2004 Trailer (First appearance) (Non-canonical appearance)
- Half-Life 2 at E3 2004: Train Station (First appearance) (Non-canonical appearance)
- Half-Life 2
- Half-Life 2: Deathmatch (Non-canonical appearance)
- Source Particle Benchmark (Game files only) (Non-canonical appearance)