UD4202 use proprietary fingerprint technology to verify identification and permit access.1. Biometric authentification technology, built-in sweeping type fingerprint sensor
2. Either registered fingerprint(Max. 120PCS) or backup key can open safe, convenient;
3. Micro motor machine driver; Made from high quality steel material with high quality spraying paint,
4. Powered by 4PCS AA batteries, 6voltage
