☀ Personalized Bluetooth Deadbolt － 4-in-1 Keyless Entry automated door locks , Code + Smartphone(Press unlocked button to unlocked , Long Press unlocked button to Locked + E-key +Share Password） + ALEXA(need extra gateway) + Key , A more user-friendly unlocking method is convenient for your family and friends, it is also more convenient for your to manage your tenants or international students who boarding in your home or colleuge for your company. ☀ Smarter Unlocking Method － SMONET wifi deadbolt with Intimate EKEY function,So that you can authorize people who have downloaded and registered the app, that they can unlock themselves through the app,It saves you from being disturbed by different schedules. ☀ Better Product Quality －SMONET smart door lock have FULLHD OLED display, Zinc Alloy body, Longer Battery Life, 4pcs AA batteries can provide 5000 openings (approx. 6 months), For security reason, it will automatically key combo lock for 5 minutes when enter the password incorrectly more than 5 times. Support wifi connection( gateway not include ) ☀ Unlock/Lock Anytime Anywhere －alexa lock In the Bluetooth range, you can unlock via Bluetooth without connecting to the network. If you are not in the Bluetooth range, you can buy SMONET WiFi Bridge. with SMONET deadbolt lock to use together, you can open the exterior door lock through the APP wherever you can connect to the network. smart knob deadbolt can save you the trouble of being noisy by the doorbel ☀ Money Back Guarantee － SOMENT provide a money back guarantee if you do not love in it in 30 days , 1 year warranty and Life-time technical support. Please send any questions you have to smonetservices@hotmail.com . Your suggestion will help us to keep improving products and provide more great products.