Here is a replacement shell and button pad. No electronics, no battery. This is designed to be a fix for broken casing or worn button pads. Simply remove the circuit from the old remote and install the in the new case. Snap the casing together after the circuit must have been installed. Once you have sealed your new case with the circuit inside, test the remote on your vehicle. Please make sure picture of the old key matches the one shown here. Functions like the old.No programming needed. Fits these Toyota models with 4-button Smart Key Remote pictured in the Photo Gallery Camry (2007-2011)Corolla (2009-2013)Highlander (2009-2013)Prius (2010-2015)Venza (2009-2016)Scion FRS (2013-2015)Please check your remote against the picture of the Toyota remote in the picture gallery* Note: Also fits these cars with the 3-button version of this Smart Key remote, but you will have a blank opening where there is no button:4 Runner (2010-2017) Avalon (2005-2008)Highlander (2009-2013)Landcruiser (2008-2015)Prius (2010-2016)RAV4 (2009-2012)Venza (2009-2016) Scion TC (2014-2015)Please check your remote against the picture of the Toyota remote in the picture gallery