Features: High sensitivity, fast response, you can open the door in 1 second. Can be unlocked by fingerprint, password, card reader. Prevent fingerprint residue, can accommodate 1000 fingerprints, 1000 passwords, 1000 cards You can use U disk to copy user information, which is convenient and fast. This product also has the function of the doorbell wiring port. Specification: Condition: Brand New Color: Black Material: ABS Prompt Sound: Beep Authentication Method: Fingerprint, Card, Password Storage Capacity: 1000 Fingerprints, 1000 Cards, 1000 Passwords Working Voltage: DC12V U Disk Function: Support Uploading and Downloading User Data Working Current: 120mA Operating Temperature: -25C- 60 C Identification: 1 Second Package List: 1 x Access Control Machine 1 x Manual 1 x Package of Installation Screws 2 x Adapters Package List 1High sensitivity, fast response, you can open the door in 1 second. 2Can be unlocked by fingerprint, password, card reader. 3Prevent fingerprint residue, can accommodate 1000 fingerprints, 1000 passwords, 1000 cards 4You can use U disk to copy user information, which is convenient and fast. 5This product also has the function of the doorbell wiring port.