Digital Password Locker with Biometric and OLED Display You can benefit from the highest level of protection with our Biometric cum Digital Password Locking System, which features a multifunctional OLED display. Contains a Secret Key Access in case the panel breaks or the passwords are forgotten. Stores up to 25 Fingerprints Saves up to 20 Passwords . Built to Last: a 6mm thick door and a 3mm thick body provide further protection composed of mild steel, which is rust-resistant and powder-coated For greater durability, use single-sheet molding. Extra installation costs are only applicable in the Twin Cities.