1. Multiple Unlocking Methods: Enjoy the convenience of three unlocking methods - biometric fingerprint recognition, emergency mechanical key unlocking, and remote unlocking via the for Graffiti App connected through Bluetooth-Compatible. With the ability to switch between three modes - passage/privacy/normal - you have complete control and flexibility. 2. Premium Quality Materials: Our lock is constructed with a front ball aluminum alloy and stainless steel parts, ensuring a sturdy structure that prevents unauthorized access. It has a strong load-bearing capacity and features a clear, smooth, and easy-to-clean to high temperatures. The C-level anti-theft lock further enhances security. 3. Smart and Convenient: Experience the ultimate in smart convenience with our lock's Bluetooth-Compatibleconnectivity to the for Graffiti App. Easily manage fingerprints, view unlock records, and remotely unlock your door using the app. Create a smarter and more convenient life while safeguarding the security of your home. 4. Rechargeable Battery: The built-in 400mAh rechargeable lithium battery provides an extended battery life of up to six months on a single charge. The Type-C charging/temporary power interface allows for emergency power supply using a power bank if the battery runs out and you find yourself locked outside. The low voltage alarm function keeps you informed about the battery status. 5. Easy Installation: Installing our intelligent spherical lock is a breeze, taking just a few minutes with a screwdriver. It is suitable for wooden or steel doors with a thickness ranging from 33-55mm, making it perfect for residential areas, apartments, offices, and commercial buildings. Easily replace your existing door lock with our lock. Smart home platform: Tuya Handle Direction: Direction Reversible Ways To Unlock: Bluetooth-Compatible,FINGERPRINT,Mechanical Keys Suitable Door Type: Wooden Door,Steel Door,Brass Doo