3x High Quality SMD Micro Tactile Switch Push Button For Renault Laguna,Espace, Clio, Megane, Grand Scenic Smart Card Key Version 2. These switches are a direct replacement for damaged buttons on your Renault smart card key version 2. (5mm x 5mm x0.8mm). (Please see picture 2) They require the old switches to be de-soldered and the new ones soldered in their place. An easy repair for your damaged smart card key. I am a fully qualified electronics engineer with over 30 years experience so please contact me if you have any questions and I will get straight back to you. Thanks for looking.