Timer Ball

Tries to catch a wild Pokémon. Success rate increases by 0.1× (Gen V: 0.3×) every turn, to a max of 4×.

Used in battle : Attempts to catch a wild Pokémon. Has a catch rate of 1.1× on the first turn of the battle and increases by 0.1× every turn, to a maximum of 4× on turn 30. If used in a trainer battle, nothing happens and the ball is lost.

More effective as more turns are taken in battle.