5-in-1 Smart Deadbolt - Passcode + Bluetooth + Fingerprint + IC card + Key. Support WiFi connection(need a gateway, sold separately). For security reason, it will automatically lock for 5 minutes when enter the password incorrectly more than 5 times. No worry about to lost your IC card because you can delete specail fobs or fingerprint user if needed. Safer High Quality & Easy to Install - Solid touchscreen lock. This keypad deadbolt lock has intuitive OLED display, zinc alloy body, long battery life, 4pcs AA batteries can provide 5000 openings (approx. 6 months). New fingerprint sensor bring you a fast & best recognition system. Follow the installation video can provide you with detailed tips. (Please note L/R side has different install method.) Keyless Entry Door Lock - Enter your home without a key! You can enter at least 100 different fingerprints. Or generate Timed, Permanent, One-time or Customized passcode for guests, visitors, housekeepers or employees. Make it more flexible for children, friends or others who wants to entry, no need to wait for them at home. You can also set the auto lock function, no worry about forgetting to lock the door. Remote Sharing Password - You can remotely generate a temporary codes to guests, no need to worry about getting keys back from them. Or you can send eKey (recipients need to download the TTLock App and register an account), the lock will automatically appear in the new account, no need to match again. Excellent Customer Service - 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. Email: smonetus@hotmail.com.