Smart Deadbolt, SMONET Front Door Lock Keyless Entry, Bluetooth Electronic Touchscreen Keypad, Physical Keys, Auto Lock, Remote Control, Send eKey, Airbnb, Apartment, Multiple Unlocking Ways - Unlock/Lock via TTLock! Setting the auto lock function, no worry about forgetting to lock the door. Match the smonet gateway(sold separately) to get the function of work with Alexa and remotely control., Keyless Entry Door Lock - More convenient without a key! Use the passcode to unlock when exercise in the morning, no worry about bring your keys. Setting your own passcode or generate a Timed, Permanent, One-time or Customized passcode. Make it more flexible for children, friends or others who wants to entry, no need to wait for them at home., Electronic Touchscreen Keypad - Safer high quality & solid, alloy body, long battery life, 4pcs AA batteries can provide 5000 openings (approx. 6 months). For security reason, it will automatically lock for 5 minutes when enter the password incorrectly more than 5 times. Please make sure the size of your door meets the installation specifications, and the L/R side has different install method, you could follow the tips in video., Share the Lock - You can remotely generate a temporary codes to guests, no need to worry about getting keys back from them. Or you can authorize admin to family by ""Authorized"", there is no need to match again after authorized successfully., Customer Service Warranty- 1-year warranty and free life-time technical support. Any question such as installation or App problems(or for more gateway information) please feel free to contact us., ,