Magotan fingerprint unlock. Where can I buy it if it is broken?

Nanjing car key shop. Automobile fingerprint lock is also called automobile fingerprint anti-theft device, which generally controls the circuit, oil circuit and engine starting motor of the automobile through fingerprints, thus achieving the purpose of anti-theft. It has the characteristics of shielding prevention and decoding prevention. Magotan fingerprint unlock is broken. I bought it at Nanjing Auto Key Store, Nanjing Auto Key Store and Volkswagen Magotan Smart Car Key Maintenance Replacement.