Security: The smart key system needs to realize the security and anti-theft function to prevent theft and illegal entry.<br> Adaptability: Smart keys can quickly open doors and start vehicles to improve user experience.<br> Easy to operate: The smart key is simple and convenient to operate, and it needs to be easy to understand and quick to operate.<br> 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.<br> Buttons: 2 buttons<br> Frequency: ASK 433MHz<br> FCC ID: M0ZB31EG / MOZB31EG<br> ID:B31EG-485<br> Compatible with :<br> for Prius 2004-2009<br> Material:plastic+metal<br> colour:black<br> Package Contents:<br> 1 x Remote Key Kit<br> Only the above package content, other products are not included.<br> 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.<br> (Casing only)