Smart Home Fingerprint Biometric Lock is everything you need to take your safety to the next level. This smart lock features 6 ways to unlock: fingerprint, password, IC card, key, remote, or via app. It works with both the Tuya Smart or TTLock app so you can control the lock on your device and get real-time alerts in case of a security breach. This lock works with most doors with thicknesses from 1 3/8" to 2 1/2". It's perfect for your rooms, house, and office.