Fingerprint Smart Door Lock,Keyless Bluetooth Door Knob,Biometric Lever Door Lock Unlock By Fingerprint/APP/Key For Home Hotel Office Bedroom Features: Smart Keyless Entry Door Lock4-in-1unlocking:fingerprint,,Mechanical keys and APP;It can also be switched to normally open mode, which can be directly unlocked without verification,which is convenient for use in different scenarios.In any case, there are The best way to unlock,you don't have to worry about losing keys APP Bluetooth Fingerprint Key LockOur APP digital lever lock is equipped with a free smart management APP, which is supported by both IOS and Android devices, and can be unlocked directly through the APP. You can edit different people's fingerprints and electronic keys to choose permanent or temporary access,can also set a temporary ekeys to with and visitors,And the APP can monitor your door lock records at any time, and keep an eye on your family's home situation. Smart Fingerprint Biometrics The fingerprint door lock is equipped with the upgraded 508 DPI fingerprint sensor module of 120 X 120 effective , which translates to more than 98% rate in 0.5 seconds. Faster and more convenient than using traditional key and more secure with your own unique biometric identification. Low Battery NotificationThe fingerprint touchscreen door handle is powered by four AAA batteries for long-term use.When the battery is low,Will send you a low battery notification through the APP.When running out of battery and being locked out the door,you can use the spare key to open the door,and the USB power bank can also be used as a temporary power supply,so there is no need to worry about the risk of being locked Easy DIY Installation Fits most standard single-cylinder US doors. The installation takes minutes with a screwdriver (included) without extra drilling. Universally fits door thickness between1-3/8" (35mm) to 2-3/16" (55mm), 2-3/8" (60mm) or 2-3/4" (70mm). Kindly check your door size before purchase. Follow our video if you still have any doubts. User Friendly Features We want our keyless entry door lock to be worry free. Our locks store 50 sets of fingerprints with the first three added fingerprint as the roles. Our door lock handle could be configured for left opening or right opening doors. The door lock comes with Auto-lock functions as well as open mode and lock function. With these features, the lock is suitable for all kinds of scenarios, bedroom, AirBnB, hotel, offices, store room, etc. Product Package Information: Package Size: Approx. 22.5*20*9cm Package List: 1 * Front Handle 1 * Rear Handle 1 * User Manual 1 * Screws Bag ( Thickness of Door is 35-55mm.) 1 * (60mm)