This listing is for the Actuator Plate Only. See the attached "Replacement Parts Listing" from Geberit that includes parts you will need to purchase to install a new system. Otherwise, many people need to replace an existing damaged actuator plate.

Geberit's product description:

The Geberit Sigma60 actuator plate mounts evenly with the wall surface for a sleek, minimalist appearance. Its streamlined design has no protruding edges, enhancing the feeling of spaciousness in your bathroom. Sigma60 fits Sigma concealed tanks for 2x4 or 2x6 construction.

• Water-saving dual-flush
• Die cast frame with metal or glass surface
• Mounts evenly with finished wall after installation
• For use with paneling or plaster thickness from 3/4 in
• Possible tile build-up 1/4 - 3/4 in
• Geberit 243.415.JK.1 Actuator Plate Sigma60 For Dual Flush in Lava Glass
  Product Features
  
• Finish :  Glass
• Weight : 1.122
• Width : 9.29133858267717
• Height : 2.63779527559055
• Length : 11.6535433070866