Feature: 1. Easy Operation: You can not only unlock the door with your fingerprint, card, key or the code you set, but also can open the door with tuya APP(BLE), very smart and convenient. 2. Indubitable Safety: Your fingerprint is unique in the world, which guarantee the safety without doubt. Taking advantage of technology of semiconductor and biological characteristics is adopted, which avoids the same fingerprint. What\u0027s more, made of durable Aluminum Alloy material, its quality is reliable. 3. One-step Accessing: Ergonomic design, easy for you to unlock the door within 1 second by putting your fingerprint on it. It will lock for you automatically, keeping you and your home security all the time. 4. Energy-saving Design: No more worry about pollution or wasting money. With4*AAA battery(not included), it can be used for half of a year. 5. Versatile Lock: Meeting the standards of most lever lock, equipped with a bag of screws and a 50*50mm lock body (22*175mm), you can fix it on your door which the thickness of the door is 30-100mm. Specification: Model: WF-H6 Material: Aluminum Alloy G.W.: 1.6KG Supply: 4xAAA Batteries(not included) Unlock Methods: For Tuya APP(BLE), Fingerprint, Card, Password, Key Fingerprint Capacity: 50pcs Password Capacity: <50groups Card Capacity: <50pcs Working Temperature: -25℃-65℃ Working humidity: 5%-95%RH . Package List: 1 x Front Panel 1 x Rear Panel 1 x Lock Body 2 x Cards 2 x Keys 1 x User Manual 1 x Screws Bag Note: The phone must be within 8‑10 meters of the lock and have BT turned on to unlock the door remotely via the phone. It cannot be unlocked remotely via wireless fidelity.If you are not at home, you can generate a temporary password using the mobile app, which allows guests to unlock the door.To connect to for Tuya APP or for Smart Life APP, you must use BT. Wireless fidelity connections are not supported.