DIGITAL DOOR LOCK HV-SDL-F52 Compatible with door thickness of range 45 - 70 mm Made By Aluminium Alloy Size: 35cm*16cm*7cm Functions: Fingerprint, Mechanical Keys, 4 to 10 Digit password, MiFare Card, OPT access, Mobile app ( HawkSmart ) Smart Door Lock Digital Door Lock Hawkvision HV-SDL-F52 Biometric Lock Fingerprint Access App Control Digital Lock Security System RFID Access Smart Security Electronic Lock Keypad Lock