Fingerprint Door Lock, with Keypads for Bedroom Home Office School

[keyless entry door lock] Three methods of entry includes one-Contact fingerprint access, touchpad code; physical key(2 includes). Tips: The default setting of this lock can be opened by any fingerprints, so the first fingerprint user must be recorded to active the user mode, even if you've recorded a code user first.[Long-lasting Battery] This lock requires 4 AAA batteries (included), Which can use for about 9 months. This smart lock is also equipped with a low-battery alert and a USB port on the side of the front panel for emergency power(emergency only), but it cannot charge the battery, please replace the battery in time.[Scope of Application]Please follows the related 2 tutorial videos attached on the page. Door compatibility: Adjustable latch: 2-3/8 inches (60 mm) to 2-1/8 inches (70 mm). Door thickness: 1-3/8 inches to 2-1/8 inches (35 mm-54 mm). Both left and right doors are suitable. Keypad door lock with handle fits for most Wooden doors, NOT FOR METAL DOORS.[User Mode and Guest Mode] The default setting of this fingerprint door lock is Guest Mode that any fingerprint can open it under this mode. You must record a fingerprint first as an Admin user to activate the user mode and add a code. These 2 modes can be switch through instructions.[Notice] Please download the new version of user manual we put online. There is an added part which is, if you recorded the first user, either code or fingerprint, it'll become an Admin and the next code or fingerprint you wanna record must verify the first recorded user regardless of it's the first code, the first fingerprint or not.colour: blackMaterial: metalPackage Contents:1 set x door locks1 set x installation accessoriesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.