Opel Astra H Zafira B Key Fob 2 Button 433MHz PCF7941

1. Compatibility: This key fob is designed specifically for Opel Astra H and Zafira B models.
2. Functionality: With 2 buttons, it typically allows for basic functions such as locking and unlocking the car doors remotely.
3. Wireless Communication: Operating at 433MHz, it utilizes wireless communication to interact with the vehicle’s central locking system.
4. PCF7941 Chip: The key fob is equipped with the PCF7941 chip, which is commonly used in automotive keyless entry systems for security and encryption purposes.
5. Battery Powered: The key fob is powered by a small battery, typically a CR2032 or similar, which needs to be replaced periodically based on usage.
6. Programming: It may require programming or synchronization with the vehicle’s central locking system to function properly. This can usually be done by a professional locksmith or at an authorized service center.
7. Security: The use of encrypted communication and secure chips like PCF7941 enhances the security of the key fob, preventing unauthorized access to the vehicle.
8. Convenience: Key fobs offer convenience by allowing users to lock or unlock their cars remotely, eliminating the need to use a physical key.

Always ensure that you purchase the correct key fob model compatible with your vehicle, and consider consulting with a professional if you’re unsure about programming or installation.