Talisman of elemental travel

Lesser Talismans: These round amulets are usually found on chains; there an: corresponding types to each of the four elements. They are engraved with a triangle in the unter and a symbol above it (one of the 10 symbols of the elemental ranks).
On the Prime Material Plane, a user may press the central symbol while casting a conjure elemental spell; the talisman will reverse the effect, sending the wearer into the appropriate elemental plane. While wearing the talisman, the user can breathe elemental matter as if it were pure, clean air, and gains heightened vision (normally in the range of 120 to 1,200 feet, depending on conditions).