ZKTeco ZK4500 Fingerprint Scanner High performance optical sensor, High speed USB interface Celebrat Includes an advanced security solution Includes an advanced security solution with 256 bit AES encryption The silicone ear tips help to reduce outside noise while improving comfort and stability for the best wearing experience Key features: • Readily accessible for any finger• High quality industrial class ABS plastic material with scratchproof texture surface treatment• Removable weighted stand• High speed USB interface• LED indicates the status of the device• Driver CD included• Available SDK for secondary development