... ,2, use for any doors, with LCD3.Fingerprint capacity: 99 fingerprint door lock,biometric lock ... door lock alarm function,circuit board, LCD, fingerprint ID lock password lock Control panels circuit boardElectronic, didgital, keypin, card swipe, biometric, locks for ... safes ,high quelity and lowest priceInstallation is very simple, detailed description 1, 4 regular 5 batteries, four screws for ...