1、VARIOUS UNLOCKING METHODS: This home smart lock can be unlocked by password, key, card, APP, and is equipped with an emergency power interface in case the battery (excluded) runs out. 2、ANTI PEEP FUNCTION: This home smart lock supports virtual anti peeping password, input random password before and after the correct password, very safe. 3、LOW CONSUMPTION: The smart lock adopts low power consumption design, energy saving and durability, and strong anti interference ability. 4、EASY REPLACEMENT: After the lock is broken, it is only necessary to replace the lock cylinder, no need to disassemble the lock body, and it is convenient and quick to install without drilling. 5、MAIN APPLICATION: This security lock is suitable for the installation of wooden doors, iron doors, security doors, etc., and can be connected to Bluetooth to view the door opening record.