D&Dtools1

As anticipate teleportation, except that greater anticipate teleportation identifies the type of the arriving creature (and any companions accompanying it) and creates a delay of 3 rounds, providing the recipient with even more warning and preparation time.
Focus: A tiny hourglass of platinum and crystal filled with diamond dust, costing 1,000 gp.
The hourglass must be carried or worn by the spell's recipient while the spell is in effect.