【10-in-1 Keypad door lock】：Fingerprints + Passcode + IC Card + Ekey Sharing + Mechanical Keys + TT Lock APP + APP Watch + Remote Unlock + Real-time Viewing + Alexa Voice (need a gateway, sold separately )Auto-lock is enabled in case you forget to lock the door on the way out,never worry about being locked out again 【Upgrade 3D Fingerprint Sensor】: Keyless entry door lock built-in quick and secure fingerprint sensor,unlock your door in 1 second.It's faster than fumbling for your keys,make your life safer and more convenient 【Remote & Voice Control with Alexa】：If paired with G2 Wifi Gateway (Optional Add-on,Sold Separately),you can lock/unlock your smart door knob anytime anywhere,set up passcodes remotely and check real-time access logs,and voice control with Alexa 【Easy Installation】: Easy to install electronic smart door lock in minutes with just a screwdriver, No wiring and no drilling,no need for costly locksmith services.Reversible handles are suitable for both left handed and right handed doors 【Rental Hosts & Homeowners】: Smart lock deadbolt is a great solution for airbnb short-term rental hosts,rental property management,and self-housing resident.Generate passcode remotely and share E-key/codes to your visitors.check real-time access logs remotely.Release your time 【Security and Durability】：Our code door lock with handle is built to withstand extreme temperatures (-22℉ to 158℉) and is IP65 waterproof. Perfect for landlords with multiple properties, manage all your smart locks on one life app. Ideal for Airbnb hosts, apartment managers, and self-housing residents 【Safety As Standard】：Multiple alert function. this fingerprint door lock is equipped with a lockout alarm, a low battery alert,away mode for vacations,privacy mode and other security features to ensure the safety of your home at all times.Safer and more secure,MSR X6 electronic deadbolt brings a new smart experience 1.Enjoy fingerprint + pin code + smartphone app + key fob + mechanical keys, what's more, you still can use Alexa voice (Wi-Fi Gateway required) and remote unlock (Wi-Fi Gateway required) for your door. This multifunctional smart lock provides personalized access for your children, elderly family members. Versatility at its finest! 2.Pair with the G2 Gateway (sold separately), you can lock/unlock your keyless entry door lock with Alexa/ remote control it TT lock the app. Perfect solution for airbnb short-term rental hosts, rental property management, and self-housing resident. 3.Our smart lock's 360° biometric sensor recognizes fingerprints in just 0.3 seconds, unlocking your door in as little as 1 second. Say goodbye to keys and fumbling with locks. Your finger is now your key, providing convenient and secure access to your home. 4. Command your exterior door from your phone. permissions for family or friends by app. Generate one-time or permanent code remotely. Real-time access tracking keeps you in the loop even you're outside. Auto lock feature keeps your back always safe.