Straight Car Key Tip Embryo 433.92 Frequency for Mercedes-Benz Smart 3-button

Straight Car Key Tip Embryo 433.92 Frequency for Mercedes-Benz Smart 3-button 1. Number of button: 3 2. Frequency: 433.92MHZ 3. Weight: 30g 4. Material: plastic + copper 5. Suitable for Mercedes-Benz Smart