MF17-[Newest Upgrade]Secustone Fingerprint Door Lock, Keyless Entry Door Lock Equipped with Battery Installed in The Front Handle, Smart Door Lock with Passcode, Fingerprint, Key, for Home, Bedroom, Black

🔐【BATTERY INSTALLED IN THE FRONT HANDLE】: The fingerprint door lock is powered by 4 AAA batteries(not included), and the battery box is installed in the front handle, which can be easily replaced after the power is exhausted. No wiring and no drilling when install the lock. 🔐【3 IN 1 SMART DOOR LOCK 】: Fingerprint door lock can be used with fingerprint + keypad code + key. Won't worry about forgetting take the keys when you go out. 🔐【AUTO-LOCKING 】: Smart door lock is equipped with an automatic-locking function. After unlocking, it will be automatically locked within 5 seconds. 🔐【ANTI-PEEP PASSWORD UNLOCKING】:When using a password to unlock, you can add wrong numbers before and after the correct password combination to prevent the password from being peeped. 🔐【EASY INSTALLATION】: Keyless entry door lock is designed to fit US standard door, Backset 2-3/8″(60mm) and 2-1/8″(70mm), door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). No wiring and no drilling. Fit both left handed and right handed doors(Suitable for indoor and outdoor doors). ❗【TIPS 1】: Smart door knob need to install 4 AAA alkaline batteries, please make sure that the cable is plugged in properly during the installation. ❗【TIPS 2】: Door knob with keypad need to add the administrator fingerprint or password correctly, otherwise the smart lock will be in a state that any fingerprint can unlock the smart lock.

• 🔐【BATTERY INSTALLED IN THE FRONT HANDLE】: The fingerprint door lock is powered by 4 AAA batteries(not included), and the battery box is installed in the front handle, which can be easily replaced after the power is exhausted. No wiring and no drilling when install the lock.
• 🔐【3 IN 1 SMART DOOR LOCK 】: Fingerprint door lock can be used with fingerprint + keypad code + key. Won't worry about forgetting take the keys when you go out.
• 🔐【AUTO-LOCKING 】: Smart door lock is equipped with an automatic-locking function. After unlocking, it will be automatically locked within 5 seconds.
• 🔐【ANTI-PEEP PASSWORD UNLOCKING】:When using a password to unlock, you can add wrong numbers before and after the correct password combination to prevent the password from being peeped.
• 🔐【EASY INSTALLATION】: Keyless entry door lock is designed to fit US standard door, Backset 2-3/8″(60mm) and 2-1/8″(70mm), door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). No wiring and no drilling. Fit both left handed and right handed doors(Suitable for indoor and outdoor doors).