V5 Max + Lockin V3 Gate Lock

Lockin V3
10 Big Features
Vein Recognition
Face recognition
Fingerprint
Passcode
Key
APP
Bluetooth
NFC Card
Remote Control
Remote Digital Viewer - built-in door viewer, you’ll always know who’s at the door.

Lockin Push-Pull V5 Max
Unlocking Ways:
Doorbell
Digital viewer
App (Mijia App)
Fingerprint
Password
Mechanical key
NFC 
Manual turn knob (in house)
Facial recognition 
Palm recognition
 
Features:
Double Induction Unlock
Resist Black Box Attack
Emergency Knob
Electronic Anti-Lock
Encryption Chip
Anti-Peep Fake Code
Abnormal Door Status Alarm