4 Ways to Unlock Keyless entry smart biometric lock with Code + Smartphone + Mifare Card(up to 100, Not work with other ID cards) + Key , the electronic door lock will automatically lock behind you. Keyless entry providing enhanced security. App FunctionFour functions of the smart lock. Code Camouflage, Anti-peep password is random digits +correct digits + random digits. Remote password, Create a one-time password for your guests, vistors, or house sitters. Record Query, you’ll always know who opens your door and when. Special time, Set specific times unlock function for your housecleaners. This security electronic lock will control keyless access. Easy to Install and Change Batteries Freely change handle direction. Fit both left-handed and right-handed doors. Just follow the user guide to finish the assembling even you are not a professional. Our electronic deadbolt would alarm if it is in low battery. You could charging your keyless lock by using 4 AA batteries. We always expect your inquiry and support. For Installation Guide and Instruction, please search “ZKTeco AL20B “on Youtube. Fit Door ThicknessFit door thickness between 30mm and 45mm , NOT WATERPROOF, we suggest used on Bedroom or office Interior doors. Fingerprint Lock With app. Digita Bluetooth +5pcs RFID Card. Fingerprint APP Digital Lock. Digital +Mifare Card Bluetooth Lock. More Features of our AL10B. If you are often enter/exit your home late at night, you can adjust the volume or mute the keypad to avoid disturbing your family or neighbors. With Emergency power interface and Low battery warning. The lock can draw back-up power from a 9V alkaline battery. Never Be locked Out. If someone pulls the door fierecely or proceeds multiple Illegal operation, there will be an alarm. Switch on the mode, you can lock all the other userspermission. Nobody can unlock the door besides you in the house. More Functions with ZK SmartKey APP. Keep track of Who&When has unlocked the door, see a detailed log of unlocking, user added/deleted/verify methods. Share temporary password to your guests whenever & wherever you are. Grant limited access right to certain person like guest , babysitter for a few weeks, days or hours. The item “ZKTeco Smart Digital Bluetooth Door Lock +2 pcs Mifare Card Glass Keypad DIY” is in sale since Tuesday, May 28, 2019. This item is in the category “Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware”. The seller is “zkteco-us” and is located in Fairfield, New Jersey, 07004, . This item can be shipped to United States.