Key Included: Each fingerprint lock comes with 2 mechanical keys that allow users to unlock with traditional methods. No wiring or drilling required. Reliable: Fingerprint lock, convenient fingerprint setting, safe and reliable. You can use it with confidence. Very suitable for any interior or exterior doors of houses, apartments or other private rooms. Widely Used: Suitable for most American door locks, suitable for left-handed and right-handed users. Perfect for home, hotel, school and household use. Power Supply: The fingerprint lock is powered by 4 AAA batteries (not included) and a USB charging port for emergency use. Material: Made of zinc alloy, durable and solid. Equipped with weather-resistant components that keep out dust and dirt and allow operation in most weather conditions.
