... Information: Product Name: WATCHDOG D1816F Key Code and Card Fingerprint Door Lock Color: Champagne Golden, Coffee, Vivid Silver, ... doors, metal doors and burglarproof doorUnlock by Sensor Card, Fingerprint, Password, machinery key(Optional: Remote Control, Remote Phone/ ... : ≥25000H Functions and Advantages:1.One-card function2. Fingerprint identification, the convenient and exclusive way of unlocking.3 ...