Five-in-one to unlock, Access by WIFI App, fingerprint , M1 card, Pass code, wristband or key, the auto-lock function would help you if you forgot to lock your door and the anti-peep password function can protect your code from stolen Features: A easy-to-follow instruction would help you to install your intelligent door lock easier. You could adjust the handle as left-side or right-side as your favor. Through APP, you could check the unlocking records, also you can share the temporary code/ekey with visitors, nannies, house keepers, tenants, guests, etc. Emergency battery back-up, this electronic door lock would alarm if it is in low battery, you could temporary charging your lock by power bank or any power source with micro-USB port. Semiconductor fingerprint recognition, refuse to copy the prosthesis fingerprint. Support remote unlock via APP, convenient but safe. Mechanical key and external power source interface as spare in case the batteries is dead. Support the anti-peeping virtual password enter, input the random passcode before or after the correct password, This makes your door much secured. High strength aluminum alloy material, reliable and safe. Put the handle on the lock and unlock it by pressing it down, the handle is in the free state. It can effectively protect the internal parts of the lock and is not damaged by external forces. Waterproof and dustproof. Specifications: Material: aluminium alloy Unlock mode: App, fingerprint, password, card, key? Color: black Fingerprint User: 100 Read time: less than 0.5s Battery: 4 * AAA 1.5V batteries (not included) Operating temperature: -20 to 60 Centigrade resolution ratio: 508DPI Package size: 330 * 175 * 120mm / 13.0 * 6.9 * 4.7in Package weight: 1918g / 4.2lb Package List: 1 * Front Panel 1 * Rear Panel 1*? Mortise Lock 1 * Installation Tools Set