... on 4with OLED display welcome to inquiry our door lock 1).our productssafe lock,fingerprint lock,finger ... with a similar lock bag, direct from the door can be screwed on the 4 screws, 4) ... key and password is lost and forgotten defects, automatic door, no key.3.stylish LCD interface (LCD), truly ... password,but for the thieves,fixed wall, tamper alarm settings, impeccable.7.with unlock record,Can be ...