You will receive a complete installation kit when purchasing this Toyota Camry security alarm for your vehicle so you will have all the necessary components to finish the installation process. Keep your vehicle secure with this factory Toyota Camry alarm system designed specific to your vehicle to assure proper installation with same wire connectors and will operate as designed from the factory. Use only original equipment for your Toyota Camry security system to ensure proper fit and function the improper wiring of the wrong system my cause expensive repairs down the road. You will get a quality fit with this factory designed Toyota Camry security system for your Camry as well as a perfect operation to help protect your vehicle when it is most vulnerable.