Security: The smart key system needs to realize the security and anti-theft function to prevent theft and illegal entry.Adaptability: Smart keys can quickly open doors and start vehicles to improve user experience.Easy to operate: The smart key is simple and convenient to operate, and it needs to be easy to understand and quick to operate.Radio frequency identification technology: Smart car keys use radio frequency identification technology to communicate with the vehicle through a specific frequency, so as to achieve remote control of doors, starting and other functions.Buttons: 2 buttonsFrequency: ASK 433MHzFCC ID: M0ZB31EG / MOZB31EGID:B31EG-485Compatible with :for Prius 2004-2009Material:plastic+metalcolour:blackPackage Contents:1 x Remote Key KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.