... optional Detailed Description:Product Name: WATCHDOG D1616F Fingerprint and Password Safe Alarm Lock Color: Champagne Golden, Coffee, Vivid ... doors and burglarproof doorUnlock Methods:Mifare-1 card, Fingerprint, Password, Remote Control, long-distance Phone/Mobile, Mobile Message,Mobile ... -distance between you and your home. (Selective)4. Password anti-tail Function5. Auto-lock function makes you no ...